Chevy BBC 454 Rect Port MidAir Intake Manifold, Fuel Rails & 1200 Cfm Throttle Body Kits include: Fully assembled aluminum

Kits include: Fully assembled aluminum cylinder heads

Ideal for vehicles with a long water pump and Type 2 power steering pump

They start to make awesome power around 3

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

Chevy BBC 454 Rect Port MidAir Intake Manifold, Fuel Rails & 1200 Cfm Throttle Body Kits include: Fully assembled aluminumThese 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.