Chevy BBC 454 Rect Port Eliminator w/Inj Ports & Fuel Rails Intake Manifold Its unique construction features an

Its unique construction features an aluminum core with an outer silicone coating

Other features include a flush mount

which puts beads of special elastomers around the ports for extra sealing power

All Speedmaster alloy cylinder heads are made using a superior "gravity die" cast process

Chevy BBC 454 Rect Port Eliminator w/Inj Ports & Fuel Rails Intake Manifold Its unique construction features anThese Eliminator Series Manifolds are designed to use a 4150 style carburetor. Our dual plane big block manifold is now available with rectangular ports. Dual distributor hold downs. Four corner water ports. Available in satin finish only. Fits big block Chevy rectangular port cylinder heads on standard deck blocks.