{"product_id":"intake-manifold-adapter-kit-predator-honda-gx-pwk34","title":"Intake Manifold Adapter Kit for Predator \u0026 Honda GX","description":"\n\u003cstyle\u003e\n\/* NIBBI Racing Intake Manifold Adapter Kit *\/\n.nibbi-ima {\n  --ima-dark: #17191B;\n  --ima-gray: #3D4246;\n  --ima-yellow: #F6ED3E;\n  --ima-border: #E5E7E9;\n  --ima-light: #F7F8F8;\n  font-family: inherit;\n  color: var(--ima-dark);\n  line-height: 1.7;\n  max-width: 1600px;\n  margin: 0 auto;\n}\n.nibbi-ima * {\n  box-sizing: border-box;\n}\n.nibbi-ima h2,\n.nibbi-ima h3,\n.nibbi-ima p {\n  margin-top: 0;\n}\n.nibbi-ima h2 {\n  font-size: clamp(24px, 3vw, 34px);\n  font-weight: 750;\n  line-height: 1.3;\n  letter-spacing: -.5px;\n  margin-bottom: 16px;\n}\n.nibbi-ima h3 {\n  font-size: 18px;\n  font-weight: 700;\n  line-height: 1.4;\n  margin-bottom: 10px;\n}\n.nibbi-ima p {\n  font-size: 16px;\n  color: var(--ima-gray);\n  line-height: 1.75;\n  margin-bottom: 16px;\n}\n.nibbi-ima .ima-label {\n  display: inline-block;\n  font-size: 12px;\n  font-weight: 800;\n  letter-spacing: 1.4px;\n  text-transform: uppercase;\n  margin-bottom: 14px;\n}\n.nibbi-ima .ima-section {\n  padding: 55px 0;\n  border-bottom: 1px solid var(--ima-border);\n}\n\n\/* HERO *\/\n.nibbi-ima .ima-hero {\n  position: relative;\n  overflow: hidden;\n  background: var(--ima-dark);\n  color: #fff;\n  padding: 52px 46px;\n  border-radius: 8px;\n}\n.nibbi-ima .ima-hero::after {\n  content: \"\";\n  position: absolute;\n  width: 230px;\n  height: 230px;\n  right: -90px;\n  top: -100px;\n  border: 42px solid rgba(246,237,62,.07);\n  border-radius: 50%;\n  pointer-events: none;\n}\n.nibbi-ima .ima-hero .ima-label {\n  color: var(--ima-yellow);\n}\n.nibbi-ima .ima-hero h2 {\n  color: #fff;\n  font-size: clamp(28px, 4vw, 44px);\n  line-height: 1.15;\n  max-width: 820px;\n  margin-bottom: 20px;\n}\n.nibbi-ima .ima-hero p {\n  color: #D1D3D5;\n  font-size: 16px;\n  max-width: 760px;\n  margin-bottom: 25px;\n}\n.nibbi-ima .ima-tags {\n  display: flex;\n  flex-wrap: wrap;\n  gap: 10px;\n}\n.nibbi-ima .ima-tag {\n  display: inline-block;\n  padding: 8px 13px;\n  border: 1px solid #555A5D;\n  border-radius: 3px;\n  color: #F4F4F4;\n  font-size: 12px;\n  font-weight: 700;\n  letter-spacing: .3px;\n}\n\n\/* BENEFIT CARDS *\/\n.nibbi-ima .ima-intro {\n  max-width: 850px;\n  margin-bottom: 30px;\n}\n.nibbi-ima .ima-grid {\n  display: grid;\n  grid-template-columns: repeat(3, minmax(0,1fr));\n  gap: 18px;\n}\n.nibbi-ima .ima-card {\n  background: var(--ima-light);\n  border: 1px solid #ECEEEF;\n  border-radius: 6px;\n  padding: 28px 24px;\n}\n.nibbi-ima .ima-number {\n  font-size: 13px;\n  font-weight: 800;\n  color: #8C7900;\n  letter-spacing: 1px;\n  margin-bottom: 18px;\n}\n.nibbi-ima .ima-card p {\n  font-size: 14px;\n  margin: 0;\n}\n\n\/* FEATURE *\/\n.nibbi-ima .ima-feature {\n  display: grid;\n  grid-template-columns: 1fr 1fr;\n  gap: 38px;\n  align-items: center;\n}\n.nibbi-ima .ima-feature-box {\n  background: #F4F5F5;\n  border-radius: 6px;\n  padding: 32px;\n}\n.nibbi-ima .ima-feature-box h3 {\n  font-size: 20px;\n  margin-bottom: 18px;\n}\n.nibbi-ima .ima-list {\n  list-style: none;\n  margin: 0;\n  padding: 0;\n}\n.nibbi-ima .ima-list li {\n  display: flex;\n  gap: 12px;\n  align-items: flex-start;\n  padding: 12px 0;\n  border-bottom: 1px solid #DEE1E2;\n  font-size: 14px;\n  color: var(--ima-gray);\n}\n.nibbi-ima .ima-list li:last-child {\n  border-bottom: 0;\n}\n.nibbi-ima .ima-check {\n  color: #827300;\n  font-weight: 800;\n  flex: 0 0 auto;\n}\n\n\/* PWK34 PRODUCT CROSS SELL *\/\n.nibbi-ima .ima-pwk {\n  background: #17191B;\n  color: #fff;\n  border-radius: 8px;\n  padding: 40px;\n  display: grid;\n  grid-template-columns: 1.4fr 1fr;\n  gap: 30px;\n  align-items: center;\n}\n.nibbi-ima .ima-pwk .ima-label {\n  color: var(--ima-yellow);\n}\n.nibbi-ima .ima-pwk h2 {\n  color: #fff;\n  margin-bottom: 14px;\n}\n.nibbi-ima .ima-pwk p {\n  color: #D0D3D5;\n  font-size: 14px;\n}\n.nibbi-ima .ima-pwk-spec {\n  color: #F0F0F0;\n  font-size: 13px;\n  border-top: 1px solid #45494B;\n  padding-top: 14px;\n  margin-top: 18px;\n}\n.nibbi-ima .ima-button {\n  display: inline-block;\n  background: var(--ima-yellow);\n  color: #17191B !important;\n  padding: 14px 24px;\n  text-decoration: none !important;\n  text-align: center;\n  font-size: 13px;\n  font-weight: 800;\n  border-radius: 4px;\n  transition: background .2s ease;\n}\n.nibbi-ima .ima-button:hover {\n  background: #E9DF2B;\n}\n.nibbi-ima .ima-pwk-action {\n  display: flex;\n  flex-direction: column;\n  align-items: stretch;\n  gap: 12px;\n}\n.nibbi-ima .ima-small {\n  font-size: 12px !important;\n  color: #BBC0C3 !important;\n  text-align: center;\n  margin: 0 !important;\n}\n\n\/* ENGINE COMPATIBILITY *\/\n.nibbi-ima .ima-engine-grid {\n  display: grid;\n  grid-template-columns: repeat(3, minmax(0,1fr));\n  gap: 16px;\n  margin-top: 25px;\n}\n.nibbi-ima .ima-engine {\n  background: #F7F8F8;\n  border: 1px solid #E5E7E9;\n  border-radius: 6px;\n  padding: 25px 22px;\n}\n.nibbi-ima .ima-engine h3 {\n  font-size: 17px;\n  margin-bottom: 14px;\n}\n.nibbi-ima .ima-engine ul {\n  padding-left: 18px;\n  margin: 0;\n  color: var(--ima-gray);\n  font-size: 14px;\n  line-height: 2;\n}\n.nibbi-ima .ima-engine-badge {\n  display: inline-block;\n  background: #F6ED3E;\n  color: #17191B;\n  font-size: 11px;\n  font-weight: 800;\n  padding: 4px 9px;\n  border-radius: 2px;\n  margin-bottom: 15px;\n}\n\n\/* VACUUM PORT *\/\n.nibbi-ima .ima-port-grid {\n  display: grid;\n  grid-template-columns: repeat(2, minmax(0,1fr));\n  gap: 18px;\n  margin-top: 25px;\n}\n.nibbi-ima .ima-port {\n  border: 1px solid #E1E4E5;\n  border-radius: 6px;\n  padding: 28px;\n}\n.nibbi-ima .ima-port-label {\n  display: inline-block;\n  color: #827300;\n  font-size: 12px;\n  font-weight: 800;\n  letter-spacing: .8px;\n  margin-bottom: 15px;\n}\n.nibbi-ima .ima-port p {\n  font-size: 14px;\n  margin-bottom: 0;\n}\n\n\/* INSTALLATION STEPS *\/\n.nibbi-ima .ima-steps {\n  display: grid;\n  grid-template-columns: repeat(3, minmax(0,1fr));\n  gap: 18px;\n  margin-top: 25px;\n}\n.nibbi-ima .ima-step {\n  border-top: 3px solid #F6ED3E;\n  background: #F7F8F8;\n  padding: 25px 22px;\n  border-radius: 0 0 6px 6px;\n}\n.nibbi-ima .ima-step-num {\n  font-size: 28px;\n  font-weight: 800;\n  color: #A08F00;\n  margin-bottom: 14px;\n  line-height: 1;\n}\n.nibbi-ima .ima-step p {\n  font-size: 14px;\n  margin: 0;\n}\n\n\/* SPECIFICATIONS *\/\n.nibbi-ima .ima-spec {\n  width: 100%;\n  border-collapse: collapse;\n  font-size: 14px;\n}\n.nibbi-ima .ima-spec tr {\n  border-bottom: 1px solid var(--ima-border);\n}\n.nibbi-ima .ima-spec th,\n.nibbi-ima .ima-spec td {\n  padding: 15px 16px;\n  text-align: left;\n  vertical-align: top;\n  line-height: 1.65;\n}\n.nibbi-ima .ima-spec th {\n  width: 38%;\n  background: #F7F8F8;\n  color: #202326;\n  font-weight: 700;\n}\n.nibbi-ima .ima-spec td {\n  color: var(--ima-gray);\n}\n\n\/* FITMENT NOTICE *\/\n.nibbi-ima .ima-fitment {\n  background: #F7F8F8;\n  border-left: 4px solid var(--ima-yellow);\n  border-radius: 0 6px 6px 0;\n  padding: 30px;\n  margin-top: 24px;\n}\n.nibbi-ima .ima-fitment p:last-child {\n  margin-bottom: 0;\n}\n.nibbi-ima .ima-note {\n  margin-top: 22px;\n  padding: 18px 22px;\n  background: #FFFBE6;\n  border-left: 4px solid var(--ima-yellow);\n  border-radius: 4px;\n  color: #292929;\n  font-size: 14px;\n  line-height: 1.8;\n}\n.nibbi-ima .ima-note strong {\n  color: #B45309;\n  font-weight: 800;\n}\n\n\/* MOBILE *\/\n@media(max-width: 767px) {\n  .nibbi-ima {\n    padding: 0 10px;\n  }\n  .nibbi-ima .ima-hero {\n    padding: 35px 22px;\n  }\n  .nibbi-ima .ima-hero p {\n    font-size: 14px;\n  }\n  .nibbi-ima .ima-section {\n    padding: 38px 0;\n  }\n  .nibbi-ima .ima-grid,\n  .nibbi-ima .ima-feature,\n  .nibbi-ima .ima-engine-grid,\n  .nibbi-ima .ima-port-grid,\n  .nibbi-ima .ima-steps,\n  .nibbi-ima .ima-pwk {\n    grid-template-columns: 1fr;\n    gap: 14px;\n  }\n  .nibbi-ima .ima-card,\n  .nibbi-ima .ima-feature-box,\n  .nibbi-ima .ima-engine,\n  .nibbi-ima .ima-port,\n  .nibbi-ima .ima-step {\n    padding: 24px 20px;\n  }\n  .nibbi-ima .ima-pwk {\n    padding: 30px 22px;\n  }\n  .nibbi-ima .ima-spec th,\n  .nibbi-ima .ima-spec td {\n    padding: 13px 10px;\n    font-size: 13px;\n  }\n  .nibbi-ima .ima-spec th {\n    width: 40%;\n  }\n  .nibbi-ima .ima-fitment {\n    padding: 22px 18px;\n  }\n  .nibbi-ima .ima-note {\n    padding: 16px 18px;\n  }\n}\n\u003c\/style\u003e\n\n\u003cdiv class=\"nibbi-ima\"\u003e\n\n  \u003c!-- HERO --\u003e\n  \u003csection class=\"ima-hero\"\u003e\n\n    \u003cspan class=\"ima-label\"\u003e\n      NIBBI Racing | Performance Intake System\n    \u003c\/span\u003e\n\n    \u003ch2\u003e\n      INTAKE MANIFOLD ADAPTER KIT\u003cbr\u003e\n      BUILT FOR BETTER AIRFLOW.\n    \u003c\/h2\u003e\n\n    \u003cp\u003e\n      Upgrade your engine's intake setup with\n      the NIBBI Racing Intake Manifold Adapter Kit.\n      Precision CNC-machined from high-strength\n      aluminum alloy, this manifold is designed\n      to connect compatible large-displacement\n      engines with the NIBBI PWK34 carburetor.\n      Its smooth internal passage, secure\n      connection design, and optional vacuum\n      pulse port make it a practical solution\n      for performance-focused engine builds.\n    \u003c\/p\u003e\n\n    \u003cdiv class=\"ima-tags\"\u003e\n      \u003cspan class=\"ima-tag\"\u003eCNC-MACHINED ALUMINUM\u003c\/span\u003e\n      \u003cspan class=\"ima-tag\"\u003ePWK34 COMPATIBLE\u003c\/span\u003e\n      \u003cspan class=\"ima-tag\"\u003eSMOOTH AIRFLOW\u003c\/span\u003e\n      \u003cspan class=\"ima-tag\"\u003eVACUUM PULSE PORT\u003c\/span\u003e\n    \u003c\/div\u003e\n\n  \u003c\/section\u003e\n\n  \u003c!-- KEY BENEFITS --\u003e\n  \u003csection class=\"ima-section\"\u003e\n\n    \u003cspan class=\"ima-label\"\u003e\n      Why Choose NIBBI\n    \u003c\/span\u003e\n\n    \u003ch2\u003e\n      The Connection Behind Your Performance\n    \u003c\/h2\u003e\n\n    \u003cp class=\"ima-intro\"\u003e\n      A dependable intake connection is essential\n      for consistent engine operation. The NIBBI\n      Intake Manifold Adapter Kit creates a\n      connection between your carburetor and\n      engine, helping deliver the air-fuel\n      mixture through a smooth, securely\n      sealed intake passage.\n    \u003c\/p\u003e\n\n    \u003cdiv class=\"ima-grid\"\u003e\n\n      \u003cdiv class=\"ima-card\"\u003e\n        \u003cdiv class=\"ima-number\"\u003e\n          01 \/ AIRFLOW\n        \u003c\/div\u003e\n\n        \u003ch3\u003eSmooth Intake Passage\u003c\/h3\u003e\n\n        \u003cp\u003e\n          The precisely machined internal\n          passage is designed to minimize\n          unnecessary intake restrictions\n          and support smooth air-fuel\n          mixture delivery to the engine.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ima-card\"\u003e\n        \u003cdiv class=\"ima-number\"\u003e\n          02 \/ DURABILITY\n        \u003c\/div\u003e\n\n        \u003ch3\u003eStrong Aluminum Construction\u003c\/h3\u003e\n\n        \u003cp\u003e\n          Built from high-strength aluminum\n          alloy with a black anodized finish,\n          the manifold offers durability,\n          corrosion resistance, and\n          reliable performance in demanding\n          engine environments.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ima-card\"\u003e\n        \u003cdiv class=\"ima-number\"\u003e\n          03 \/ FLEXIBILITY\n        \u003c\/div\u003e\n\n        \u003ch3\u003eReady for Custom Builds\u003c\/h3\u003e\n\n        \u003cp\u003e\n          A pre-drilled vacuum pulse port\n          supports compatible pulse-type\n          fuel pump installations, while\n          the removable brass plug allows\n          the port to remain sealed when\n          not in use.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/section\u003e\n\n  \u003c!-- MACHINING --\u003e\n  \u003csection class=\"ima-section\"\u003e\n\n    \u003cdiv class=\"ima-feature\"\u003e\n\n      \u003cdiv\u003e\n        \u003cspan class=\"ima-label\"\u003e\n          Precision Construction\n        \u003c\/span\u003e\n\n        \u003ch2\u003e\n          Precision-Machined.\u003cbr\u003e\n          Built to Last.\n        \u003c\/h2\u003e\n\n        \u003cp\u003e\n          The NIBBI intake manifold features\n          solid billet aluminum construction,\n          shaped through precision CNC\n          machining for a clean and\n          consistent finish.\n        \u003c\/p\u003e\n\n        \u003cp\u003e\n          Its smooth internal surface helps\n          reduce unnecessary airflow resistance,\n          while carefully machined mating\n          surfaces support proper sealing\n          when installed with compatible\n          components.\n        \u003c\/p\u003e\n\n        \u003cp\u003e\n          The black anodized finish provides\n          an additional layer of corrosion\n          resistance and gives the manifold\n          a sleek, performance-inspired look.\n        \u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ima-feature-box\"\u003e\n\n        \u003ch3\u003e\n          Engineered for Demanding Builds\n        \u003c\/h3\u003e\n\n        \u003cul class=\"ima-list\"\u003e\n\n          \u003cli\u003e\n            \u003cspan class=\"ima-check\"\u003e✓\u003c\/span\u003e\n            \u003cspan\u003e\n              High-strength billet aluminum\n              construction\n            \u003c\/span\u003e\n          \u003c\/li\u003e\n\n          \u003cli\u003e\n            \u003cspan class=\"ima-check\"\u003e✓\u003c\/span\u003e\n            \u003cspan\u003e\n              Precision CNC-machined surfaces\n            \u003c\/span\u003e\n          \u003c\/li\u003e\n\n          \u003cli\u003e\n            \u003cspan class=\"ima-check\"\u003e✓\u003c\/span\u003e\n            \u003cspan\u003e\n              Smooth internal intake passage\n            \u003c\/span\u003e\n          \u003c\/li\u003e\n\n          \u003cli\u003e\n            \u003cspan class=\"ima-check\"\u003e✓\u003c\/span\u003e\n            \u003cspan\u003e\n              Black anodized protective finish\n            \u003c\/span\u003e\n          \u003c\/li\u003e\n\n          \u003cli\u003e\n            \u003cspan class=\"ima-check\"\u003e✓\u003c\/span\u003e\n            \u003cspan\u003e\n              Corrosion and heat-resistant\n              construction\n            \u003c\/span\u003e\n          \u003c\/li\u003e\n\n          \u003cli\u003e\n            \u003cspan class=\"ima-check\"\u003e✓\u003c\/span\u003e\n            \u003cspan\u003e\n              Designed for secure,\n              leak-resistant installation\n            \u003c\/span\u003e\n          \u003c\/li\u003e\n\n        \u003c\/ul\u003e\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/section\u003e\n\n  \u003c!-- PWK34 CROSS SELL --\u003e\n  \u003csection class=\"ima-section\"\u003e\n\n    \u003cdiv class=\"ima-pwk\"\u003e\n\n      \u003cdiv\u003e\n\n        \u003cspan class=\"ima-label\"\u003e\n          Recommended Carburetor Pairing\n        \u003c\/span\u003e\n\n        \u003ch2\u003e\n          DESIGNED TO WORK WITH\n          NIBBI PWK34.\n        \u003c\/h2\u003e\n\n        \u003cp\u003e\n          Take your intake upgrade further\n          with the NIBBI Racing PWK34\n          Carburetor. This manifold adapter\n          kit is designed to provide a\n          compatible mounting connection\n          for the PWK34's 40 mm engine-side\n          spigot.\n        \u003c\/p\u003e\n\n        \u003cp\u003e\n          Together, the manifold and carburetor\n          create the foundation for a\n          customizable intake setup on\n          compatible engines. Carburetor\n          tuning and additional installation\n          adjustments may be required\n          depending on your engine build.\n        \u003c\/p\u003e\n\n        \u003cdiv class=\"ima-pwk-spec\"\u003e\n          PWK34 Carburetor\u003cbr\u003e\n          34 mm Bore | 40 mm Engine-Side OD\n        \u003c\/div\u003e\n\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ima-pwk-action\"\u003e\n\n        \u003ca class=\"ima-button\" href=\"https:\/\/nibbiracing.com\/products\/pwk34\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\n          EXPLORE NIBBI PWK34 →\n        \u003c\/a\u003e\n\n        \u003cp class=\"ima-small\"\u003e\n          PWK34 carburetor sold separately.\n        \u003c\/p\u003e\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/section\u003e\n\n  \u003c!-- ENGINE COMPATIBILITY --\u003e\n  \u003csection class=\"ima-section\"\u003e\n\n    \u003cspan class=\"ima-label\"\u003e\n      Engine Compatibility\n    \u003c\/span\u003e\n\n    \u003ch2\u003e\n      Built for Popular Engine Platforms\n    \u003c\/h2\u003e\n\n    \u003cp\u003e\n      Designed for selected Predator,\n      Honda GX-Series, and Briggs \u0026amp;\n      Stratton engines, this intake\n      manifold adapter offers a\n      convenient starting point for\n      carburetor upgrades on mini bikes,\n      go-karts, and other compatible\n      small-engine applications.\n    \u003c\/p\u003e\n\n    \u003cdiv class=\"ima-engine-grid\"\u003e\n\n      \u003cdiv class=\"ima-engine\"\u003e\n\n        \u003cspan class=\"ima-engine-badge\"\u003e\n          PREDATOR\n        \u003c\/span\u003e\n\n        \u003ch3\u003ePredator Engines\u003c\/h3\u003e\n\n        \u003cul\u003e\n          \u003cli\u003ePredator 301cc (8 HP)\u003c\/li\u003e\n          \u003cli\u003ePredator 420cc (13 HP)\u003c\/li\u003e\n        \u003c\/ul\u003e\n\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ima-engine\"\u003e\n\n        \u003cspan class=\"ima-engine-badge\"\u003e\n          HONDA GX SERIES\n        \u003c\/span\u003e\n\n        \u003ch3\u003eHonda Engines\u003c\/h3\u003e\n\n        \u003cul\u003e\n          \u003cli\u003eHonda GX240\u003c\/li\u003e\n          \u003cli\u003eHonda GX270\u003c\/li\u003e\n          \u003cli\u003eHonda GX340\u003c\/li\u003e\n          \u003cli\u003eHonda GX390\u003c\/li\u003e\n        \u003c\/ul\u003e\n\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ima-engine\"\u003e\n\n        \u003cspan class=\"ima-engine-badge\"\u003e\n          BRIGGS \u0026amp; STRATTON\n        \u003c\/span\u003e\n\n        \u003ch3\u003eBriggs Engines\u003c\/h3\u003e\n\n        \u003cul\u003e\n          \u003cli\u003eBriggs 1450 Series\u003c\/li\u003e\n          \u003cli\u003e305cc Engine\u003c\/li\u003e\n        \u003c\/ul\u003e\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003cp style=\"font-size:13px;margin-top:18px;\"\u003e\n      \u003cstrong\u003eCompatibility Reminder:\u003c\/strong\u003e\n      Please verify your engine model,\n      intake mounting pattern, carburetor\n      connection dimensions, and available\n      installation clearance before purchasing.\n    \u003c\/p\u003e\n\n  \u003c\/section\u003e\n\n  \u003c!-- VACUUM PORT --\u003e\n  \u003csection class=\"ima-section\"\u003e\n\n    \u003cspan class=\"ima-label\"\u003e\n      Flexible Fuel System Setup\n    \u003c\/span\u003e\n\n    \u003ch2\u003e\n      Pre-Drilled Vacuum Pulse Port\n    \u003c\/h2\u003e\n\n    \u003cp\u003e\n      The integrated vacuum pulse port\n      adds flexibility for custom fuel\n      system installations. Designed to\n      provide an intake vacuum signal\n      where compatible, this port can\n      support certain pulse-type fuel\n      pump configurations without\n      additional manifold drilling\n      or tapping.\n    \u003c\/p\u003e\n\n    \u003cdiv class=\"ima-port-grid\"\u003e\n\n      \u003cdiv class=\"ima-port\"\u003e\n\n        \u003cspan class=\"ima-port-label\"\u003e\n          OPTION 01 \/ BRASS PLUG\n        \u003c\/span\u003e\n\n        \u003ch3\u003eStandard Setup — Port Sealed\u003c\/h3\u003e\n\n        \u003cp\u003e\n          When a pulse-type fuel pump\n          is not being used, install the\n          brass plug to securely seal\n          the vacuum port. Proper sealing\n          prevents unwanted air from\n          entering the intake system\n          and helps maintain consistent\n          engine operation.\n        \u003c\/p\u003e\n\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ima-port\"\u003e\n\n        \u003cspan class=\"ima-port-label\"\u003e\n          OPTION 02 \/ VACUUM BARB\n        \u003c\/span\u003e\n\n        \u003ch3\u003ePulse Fuel Pump Setup\u003c\/h3\u003e\n\n        \u003cp\u003e\n          For a compatible pulse-type\n          fuel pump installation, replace\n          the brass plug with the vacuum\n          barb fitting and connect the\n          appropriate pulse hose.\n          Confirm that your fuel pump\n          supports an intake-manifold\n          vacuum signal.\n        \u003c\/p\u003e\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ima-note\"\u003e\n      \u003cstrong\u003eVacuum Port Notice:\u003c\/strong\u003e\n      The pre-drilled port is intended\n      for an appropriate vacuum pulse\n      connection, not as an open\n      supplemental air inlet.\n      Always seal the port with the\n      brass plug when it is not in use\n      to avoid vacuum leaks and\n      unstable engine operation.\n    \u003c\/div\u003e\n\n  \u003c\/section\u003e\n\n  \u003c!-- SILICONE CONNECTION --\u003e\n  \u003csection class=\"ima-section\"\u003e\n\n    \u003cdiv class=\"ima-feature\"\u003e\n\n      \u003cdiv\u003e\n\n        \u003cspan class=\"ima-label\"\u003e\n          Connection \u0026amp; Sealing\n        \u003c\/span\u003e\n\n        \u003ch2\u003e\n          Secure Fit.\u003cbr\u003e\n          Reliable Connection.\n        \u003c\/h2\u003e\n\n        \u003cp\u003e\n          A properly sealed connection\n          between the carburetor and\n          engine is essential for\n          predictable throttle response\n          and reliable engine operation.\n        \u003c\/p\u003e\n\n        \u003cp\u003e\n          The high-temperature-resistant\n          silicone coupling provides\n          a flexible connection between\n          compatible intake components,\n          while the stainless steel\n          clamp helps maintain a secure\n          fit during operation.\n        \u003c\/p\u003e\n\n        \u003cp\u003e\n          Together with the precision\n          aluminum manifold, these\n          components support a stable\n          intake connection with\n          reduced risk of air leakage\n          when correctly installed.\n        \u003c\/p\u003e\n\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ima-feature-box\"\u003e\n\n        \u003ch3\u003e\n          Reliable Connection Details\n        \u003c\/h3\u003e\n\n        \u003cul class=\"ima-list\"\u003e\n\n          \u003cli\u003e\n            \u003cspan class=\"ima-check\"\u003e✓\u003c\/span\u003e\n            \u003cspan\u003e\n              High-temperature-resistant\n              silicone connector\n            \u003c\/span\u003e\n          \u003c\/li\u003e\n\n          \u003cli\u003e\n            \u003cspan class=\"ima-check\"\u003e✓\u003c\/span\u003e\n            \u003cspan\u003e\n              Corrosion-resistant\n              stainless steel clamp\n            \u003c\/span\u003e\n          \u003c\/li\u003e\n\n          \u003cli\u003e\n            \u003cspan class=\"ima-check\"\u003e✓\u003c\/span\u003e\n            \u003cspan\u003e\n              Secure carburetor-to-manifold\n              connection\n            \u003c\/span\u003e\n          \u003c\/li\u003e\n\n          \u003cli\u003e\n            \u003cspan class=\"ima-check\"\u003e✓\u003c\/span\u003e\n            \u003cspan\u003e\n              Precision-machined surfaces\n              for proper mating\n            \u003c\/span\u003e\n          \u003c\/li\u003e\n\n          \u003cli\u003e\n            \u003cspan class=\"ima-check\"\u003e✓\u003c\/span\u003e\n            \u003cspan\u003e\n              Designed to help minimize\n              intake air leaks\n            \u003c\/span\u003e\n          \u003c\/li\u003e\n\n        \u003c\/ul\u003e\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/section\u003e\n\n  \u003c!-- INSTALLATION --\u003e\n  \u003csection class=\"ima-section\"\u003e\n\n    \u003cspan class=\"ima-label\"\u003e\n      Installation Overview\n    \u003c\/span\u003e\n\n    \u003ch2\u003e\n      Straightforward Installation.\n      Built for Your Next Upgrade.\n    \u003c\/h2\u003e\n\n    \u003cp\u003e\n      With the correct engine mounting\n      pattern and compatible intake\n      components, the NIBBI manifold\n      offers a practical solution for\n      custom carburetor installations.\n    \u003c\/p\u003e\n\n    \u003cdiv class=\"ima-steps\"\u003e\n\n      \u003cdiv class=\"ima-step\"\u003e\n\n        \u003cdiv class=\"ima-step-num\"\u003e01\u003c\/div\u003e\n\n        \u003ch3\u003eMount the Manifold\u003c\/h3\u003e\n\n        \u003cp\u003e\n          Position the intake manifold\n          against the engine's intake\n          mounting surface. Use the\n          appropriate gasket and\n          mounting hardware, ensuring\n          correct alignment and sealing.\n        \u003c\/p\u003e\n\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ima-step\"\u003e\n\n        \u003cdiv class=\"ima-step-num\"\u003e02\u003c\/div\u003e\n\n        \u003ch3\u003eConnect the Carburetor\u003c\/h3\u003e\n\n        \u003cp\u003e\n          Attach the compatible\n          carburetor using the silicone\n          coupling. Secure the connection\n          with the appropriate clamp\n          and confirm the carburetor\n          is properly supported.\n        \u003c\/p\u003e\n\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"ima-step\"\u003e\n\n        \u003cdiv class=\"ima-step-num\"\u003e03\u003c\/div\u003e\n\n        \u003ch3\u003eCheck \u0026amp; Fine-Tune\u003c\/h3\u003e\n\n        \u003cp\u003e\n          Seal or connect the vacuum\n          port as required. Inspect\n          all connections for leaks,\n          verify throttle operation,\n          and tune the carburetor\n          for your engine configuration.\n        \u003c\/p\u003e\n\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n\n  \u003c\/section\u003e\n\n  \u003c!-- SPECIFICATIONS --\u003e\n  \u003csection class=\"ima-section\"\u003e\n\n    \u003cspan class=\"ima-label\"\u003e\n      Product Details\n    \u003c\/span\u003e\n\n    \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n    \u003ctable class=\"ima-spec\"\u003e\n      \u003ctbody\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eProduct Name\u003c\/th\u003e\n          \u003ctd\u003e\n            Intake Manifold Adapter Kit\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003ctd\u003eNIBBI Racing\u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eManifold Material\u003c\/th\u003e\n          \u003ctd\u003e\n            CNC-Machined Aluminum Alloy\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eSurface Finish\u003c\/th\u003e\n          \u003ctd\u003e\n            Black Anodized\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eCompatible NIBBI Carburetor\u003c\/th\u003e\n          \u003ctd\u003e\n            PWK34 — 40 mm Engine-Side\n            Spigot Outer Diameter\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eCoupling Material\u003c\/th\u003e\n          \u003ctd\u003e\n            High-Temperature-Resistant\n            Silicone\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eClamp Material\u003c\/th\u003e\n          \u003ctd\u003e\n            Stainless Steel\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eVacuum Port\u003c\/th\u003e\n          \u003ctd\u003e\n            Pre-Drilled Port for\n            Compatible Pulse-Type\n            Fuel Pump Applications\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eVacuum Port Options\u003c\/th\u003e\n          \u003ctd\u003e\n            Brass Sealing Plug \/\n            Vacuum Barb Fitting\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003eCompatible Engine Families\u003c\/th\u003e\n          \u003ctd\u003e\n            Predator 301cc \/ 420cc;\n            Honda GX240 \/ GX270 \/\n            GX340 \/ GX390;\n            Briggs 1450 Series 305cc\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n        \u003ctr\u003e\n          \u003cth\u003ePotential Applications\u003c\/th\u003e\n          \u003ctd\u003e\n            Mini Bikes, Go-Karts,\n            and Other Compatible\n            Small-Engine Equipment\n          \u003c\/td\u003e\n        \u003c\/tr\u003e\n\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n  \u003c\/section\u003e\n\n  \u003c!-- FITMENT --\u003e\n  \u003csection class=\"ima-section\"\u003e\n\n    \u003cspan class=\"ima-label\"\u003e\n      Compatibility \u0026amp; Installation\n    \u003c\/span\u003e\n\n    \u003ch2\u003e\n      Check Your Setup Before You Order\n    \u003c\/h2\u003e\n\n    \u003cp\u003e\n      While this manifold is designed\n      for selected popular engine\n      platforms, successful installation\n      depends on the specific engine\n      configuration and the components\n      used in your intake system.\n    \u003c\/p\u003e\n\n    \u003cdiv class=\"ima-fitment\"\u003e\n\n      \u003ch3\u003eBefore Purchasing\u003c\/h3\u003e\n\n      \u003cp\u003e\n        \u003cstrong\u003e\n          1. Confirm Your Engine Model\n        \u003c\/strong\u003e\u003cbr\u003e\n        Check your exact engine model\n        and compare the intake flange\n        mounting pattern with the\n        original manifold.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        \u003cstrong\u003e\n          2. Verify Carburetor Dimensions\n        \u003c\/strong\u003e\u003cbr\u003e\n        This kit is designed for the\n        NIBBI PWK34 carburetor with\n        a 40 mm engine-side spigot.\n        Other carburetors require\n        dimensional verification.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        \u003cstrong\u003e\n          3. Check Installation Clearance\n        \u003c\/strong\u003e\u003cbr\u003e\n        Ensure sufficient clearance\n        for the carburetor, air filter,\n        throttle cable, frame, and\n        surrounding engine components.\n      \u003c\/p\u003e\n\n      \u003cp\u003e\n        \u003cstrong\u003e\n          4. Configure the Vacuum Port\n        \u003c\/strong\u003e\u003cbr\u003e\n        Use the brass sealing plug\n        when no compatible pulse\n        fuel pump connection is\n        required. Never leave the\n        vacuum port open.\n      \u003c\/p\u003e\n\n    \u003c\/div\u003e\n\n    \u003cdiv class=\"ima-note\"\u003e\n\n      \u003cstrong\u003eInstallation Note:\u003c\/strong\u003e\n      Ensure all mounting surfaces,\n      gaskets, couplings, and clamps\n      are properly installed and sealed.\n      Verify throttle movement,\n      fuel system compatibility,\n      and intake airtightness before\n      operating the engine.\n      Carburetor jetting and tuning\n      may be required after installation.\n      Professional installation is\n      recommended for modified\n      engine applications.\n\n    \u003c\/div\u003e\n\n  \u003c\/section\u003e\n\n\u003c\/div\u003e\n","brand":"Nibbi Racing","offers":[{"title":"Default Title","offer_id":50675727958181,"sku":"NBQG-390YKD-black","price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0528\/8571\/7157\/files\/IntakeManifoldAdapterKit-GX390_1.webp?v=1792131746","url":"https:\/\/nibbiracing.com\/en-gb\/products\/intake-manifold-adapter-kit-predator-honda-gx-pwk34","provider":"NIBBI RACING","version":"1.0","type":"link"}