Upgrade your Small Block Chevy engine with this polished aluminum high-rise single-plane intake manifold, designed for 1955–1995 SBC 262–400 V8 applications. Featuring an open-plenum design and a four-barrel square-bore carburetor flange, this manifold is intended for performance builds operating in the 3,000–7,500 RPM range.
The manifold includes versatile mounting provisions with center-bolt adapter bushings, allowing fitment with compatible early-style and late-style Small Block Chevy cylinder heads. Its intake runners feature cast bosses for nitrous or fuel injectors, providing additional installation options for compatible setups.
Constructed from cast aluminum with a polished finish, this manifold combines a performance-oriented design with a clean appearance. A thermostat restrictor plate is also included to reduce coolant flow.
| Feature | Details |
|---|---|
| Product Type | Intake Manifold |
| Engine Family | Small Block Chevy (SBC) |
| Engine Displacement | 262–400 cu. in. |
| Listed Fitment Years | 1955–1995 |
| Compatible Engines | 262, 265, 267, 283, 302, 305, 307, 327, 350, 400 V8 |
| Design | High-Rise, Single-Plane |
| Plenum Style | Open Plenum |
| Carburetor Flange | 4-Barrel Square Bore |
| Carburetor Pad Height | 6.060 inches |
| Operating RPM Range | 3,000–7,500 RPM |
| Material | Cast Aluminum |
| Finish | Polished |
| Mounting Provisions | Center-Bolt Adapter Bushings |
| Runner Provisions | Cast Bosses for Nitrous or Fuel Injectors |
| Port Exit Dimensions | 1.160 in. W × 2 in. H |
| Included Accessory | Thermostat Restrictor Plate |
| Question | Answer |
|---|---|
| Which engines does this intake manifold fit? | Listed Small Block Chevy 262, 265, 267, 283, 302, 305, 307, 327, 350, and 400 V8 engines from 1955–1995. |
| What is the intake manifold design? | A high-rise single-plane manifold with an open plenum. |
| What carburetor flange does it use? | A four-barrel square-bore flange. |
| What is the carburetor pad height? | 6.060 inches. |
| What is the operating RPM range? | 3,000–7,500 RPM. |
| Can it fit early-style and late-style SBC heads? | The center-bolt adapter bushings are designed to accommodate compatible early-style and late-style heads within the specified applications. |
| Does it have provisions for nitrous or fuel injectors? | Yes. The intake runners include cast bosses for these installations. |
| Is an additional component included? | Yes. A thermostat restrictor plate to reduce coolant flow is included. |
Fitment Note: Verify your engine displacement, cylinder head style, mounting configuration, carburetor flange, and available engine-bay clearance before purchasing. The stated fitment range does not guarantee compatibility with every modified engine combination.
WARNING: RACE / COMPETITION USE ONLY
This part is built and sold only for racing vehicles used solely in closed-course competition. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. Off-road or off-highway use is not competition use. Installing this part on a vehicle used on public roads may violate the federal Clean Air Act, 42 U.S.C. 7522(a)(3), and state law, and may result in civil or criminal penalties, failed inspections and loss of registration. Emissions laws vary by state. Check yours before you buy.
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES. THE SALE, USE OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER THE FEDERAL CLEAN AIR ACT (42 U.S.C. 7522(a)(3)).
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