Holley's SBC 4150 single plane intake manifold delivers a broad RPM powerband for high-performance street/strip applications up to 7,500 RPM. The carburetor mounting pad accepts stock or aftermarket square-bore carburetors with manual or electric chokes, and the isolated air/fuel passage design keeps intake charge air cooler for better performance. It's built for small block Chevrolet 262-400 cid engines equipped with 1996-2002 (L31) Vortec cylinder heads on non-EGR applications, including many GM crate engines like the 350 HO, SP350, and ZZ6.
Specifications:
- Basic Operating RPM Range: 2,500-7,500
- Engine: Chevrolet Small Block Gen I - Vortec
- Fuel System Type: Carbureted
- Manifold Type: Single Plane
- Flange Style: 4150 Square Bore
- Height: Front 4.18", Rear 5.28"
- Port Size: 2.05" height x 1.02" width
- Throttle Body Bore Diameter: 3.6"
- Finish: Natural
- Material: Aluminum
- Part Number: 300-264
Designed to accept most stock hardware and accessory brackets while adding performance features like an updated plenum divider and a choice of two distributor clamp locations, with an isolated plenum for cooler intake charge.
FAQ
What cylinder heads does the Holley 300-264 require?
1996-2002 (L31) Vortec cylinder heads on non-EGR small block Chevrolet applications.
What's the RPM range for the 300-264?
2,500-7,500 RPM.
What carburetor flange does the 300-264 use?
A 4150 square-bore flange, compatible with stock or aftermarket square-bore carburetors with manual or electric chokes.
