Hemi 440 Steel Billet Crankshaft 4.100 Stroke along with energy-efficient and cost-effective

along with energy-efficient and cost-effective friction management

They have a minimum wall thickness of

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

They feature extra-thick steel that's double-welded to the ring gear for added strength

and excessive emissions

Hemi 440 Steel Billet Crankshaft 4.100 Stroke along with energy-efficient and cost-effectiveSpeedmaster 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.