Hemi 440 Steel Billet Crankshaft 4.100 Stroke this intake manifold is built

this intake manifold is built to withstand the demands of supercharged or turbocharged setups

along with energy-efficient and cost-effective friction management

Windsor and Big Block versions are built from sturdy cast aluminum

They have a minimum wall thickness of

Add a cool new look to your ride and lower your curb weight with Speedmaster control arms

Hemi 440 Steel Billet Crankshaft 4.100 Stroke this intake manifold is builtSpeedmaster 4340 Billet Steel crankshafts are manufactured from high quality true billet round bar stock. Their performance, strength and horsepower capabilities are significantly outstanding compared to cast forged crankshafts. An engine with a 4340 billet steel crankshaft will rev faster and cleaner due to the different harmonics produced from the high grade material. Those crankshaft are x rayed and ultrasonically tested.