Chevy BBC 454 Rect Port MidAir Intake Manifold, Fuel Rails & 1200 Cfm Throttle Body Our single plane big block

Our single plane big block manifold is now available with Dominator carburetor flange

and flame ball-milled finishes

supercharged

*Will not work on engines w/reverse flow heads as utilized on 1992-96 LT-1 Corvette

turbocharged and nitrous applications

Chevy BBC 454 Rect Port MidAir Intake Manifold, Fuel Rails & 1200 Cfm Throttle Body Our single plane big blockThese MidAir Series Manifolds includes a 4150 Series 1200 CFM Billet Throttle Body. Our dual plane big block manifold is now available with rectangular ports, Dual distributor hold downs and Four corner water ports. Fits big block Chevy rectangular port cylinder heads on standard deck blocks.