New from AFR – the dual plane intake manifold for the small block Chevy engine. This intake was developed to match the port designs of their popular cylinder heads as closely as possible. See more details below.

Official Release:

AFR is proud to announce the release of our new #4812 dual plane intake manifold for the popular small block Chevy engine platform. Developed to match the port designs of our popular cylinder heads as closely as possible, providing an optimized intake tract for increased performance. These As-Cast pieces were modeled using our 195cc program and provide the best fitment out of the box, hands down. Perfect for applications with an RPM range up to 6,500 RPM.

Features:

• Ideal for 302 to 406 C.I.
• Cast in nitrous bosses
• Cast and machined in the USA.
• Will not fit TBI/TPI 72° Intake Bolt.
• Dual distributor clamp hold downs.
• Carburetor pad height is 4.725” (front 4.200”, back 5.250”)
• Front and rear water outlets for additional cooling benefits.
• Square bore carburetors only and will not fit under stock Corvette hood.