Chevy GM LS1 LS2 LS6 4500 HiRise Intake Manifold [Satin] These Speedmaster cast crankshafts are

These Speedmaster cast crankshafts are perfect for mildly built street engines or just to replace stock crankshafts that have seen better days

When your engine needs new gaskets

ribbed design that adds a unique look to your engine

carbon-to-coil rotor conductor

Speedmaster 10 Clutch 6061 Forged aluminum piston are optimized for Powerglide performance applications

Chevy GM LS1 LS2 LS6 4500 HiRise Intake Manifold [Satin] These Speedmaster cast crankshafts areThese Speedmaster Shootout Series Manifolds are designed to use a dominator style carburetor. It has a carb flange that accommodates a Dominator carburetor. This manifold also has pads on the ports which can be drilled and tapped for nitrous nozzles or it is available from Speedmaster machined for injector nozzles. Use the Speedmaster Complete Fuel Rail Kit with this manifold.