Chevy BBC 454 Rect Port MidAir Intake Manifold, Fuel Rails & 1200 Cfm Throttle Body Fits big block Chevy rectangular

Fits big block Chevy rectangular port cylinder heads on standard deck blocks

These combinations start with a reliable Speedmaster 9

They also offer the potential for improved fuel economy by making the engine more efficient

as well as 1/3 smaller

1966-72 (1973 non-CA) passenger cars

Chevy BBC 454 Rect Port MidAir Intake Manifold, Fuel Rails & 1200 Cfm Throttle Body Fits big block Chevy rectangularThese 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.