Hemi 440 Steel Billet Crankshaft 4.100 Stroke Windsor and Big Block versions

Windsor and Big Block versions are built from sturdy cast aluminum

Speedmaster pinion support stud kits offer optimum durability for maximum drivetrain performance

All the factory flaws redesigned to be eliminated

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

Will not directly plug into GM column but can be connected by individually connecting wires from harness to their respective circuits

Hemi 440 Steel Billet Crankshaft 4.100 Stroke Windsor and Big Block versionsSpeedmaster 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.