{"product_id":"big-block-chev-hi-rise-single-plane-intake-manifold-oval-ports-black","title":"Big Block Chev Hi-Rise Single Plane Intake Manifold Oval Ports Black","description":"\u003cdiv\u003e\n\u003cp\u003eUnlock peak Big Block Chevy performance with the Hi‑Rise Oval-Port Single-Plane Intake Manifold in a rugged black finish. Built for oval‑port heads and square‑bore carburetors, this manifold is designed to maximize air and fuel delivery at high RPM, delivering crisp throttle response and durable horsepower from the track to the street.\u003c\/p\u003e \u003ch2\u003ePerformance and design highlights\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eHi‑Rise, single‑plane configuration optimized for high RPM power and strong mid‑range torque\u003c\/li\u003e \u003cli\u003eOval‑port runners measure 1.60\" x 1.94\" for precise flow to oval‑port cylinder heads\u003c\/li\u003e \u003cli\u003eCarburetor pad is square bore, compatible with aftermarket square‑bore carbs (manual or electric choke)\u003c\/li\u003e \u003cli\u003eNon‑EGR design to maximize flow and peak performance in carbureted applications\u003c\/li\u003e \u003cli\u003eFinished in black for a rugged, OEM‑style appearance\u003c\/li\u003e \u003cli\u003eOverall height of 160 mm from carb pad to bottom; check bonnet clearance on your setup\u003c\/li\u003e \u003cli\u003eIntake runners are designed for large‑inch Big Block Chevy engines (396–502 ci), with compatibility across 396–454 and 502 ci configurations\u003c\/li\u003e \u003cli\u003ePort matching recommended for optimum power delivery to your specific cylinder heads\u003c\/li\u003e \u003cli\u003eDual distributor hold‑downs, four corner water ports, plus a fifth water outlet at the front for reliable cooling and secure mounting\u003c\/li\u003e \u003cli\u003eCompatible with many late‑model water necks, A\/C, alternator, and H.E.I. ignition installations\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIncluded components\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIntake manifold gasket, Fel Pro 1212\u003c\/li\u003e \u003cli\u003e4 × 5\/16‑18\" carburetor studs\u003c\/li\u003e \u003cli\u003e2 × 5\/16‑18\" mounting holes\u003c\/li\u003e \u003cli\u003e2 × 3\/8‑16\" distributor hold‑down mounting holes\u003c\/li\u003e \u003cli\u003e5 × 1\/2\" NPT ports\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and setup\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePort‑match the intake runners to your cylinder heads for maximum flow and power\u003c\/li\u003e \u003cli\u003eVerify bonnet clearance due to the 160 mm height\u003c\/li\u003e \u003cli\u003eEnsure compatibility with your water necks, A\/C, alternator, and ignition setup for a clean installation\u003c\/li\u003e \u003cli\u003eNon‑EGR design is intended for peak performance in carburetted applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47266718482602,"sku":"AF6210-1002","price":626.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7829\/4698\/files\/s-l1600_1_ab1a9692-274b-4ca6-bfbc-889a0ca45ba0.webp?v=1753409959","url":"https:\/\/tgmperformance.com.au\/products\/big-block-chev-hi-rise-single-plane-intake-manifold-oval-ports-black","provider":"TGM Performance Parts","version":"1.0","type":"link"}