Scat 4-LS1-4000-6125-NR-S - LS "Street Series" 4.000" Stroke 4340 Crankshaft - No Reluctor

Reluctor not included! Engine GM LS Material Forged 4340 Steel Rear Main Seal 1 Piece Stroke 4.000 Rod Length 6.125 Rod Journal 2.100 SCAT's 4340 standard weight crankshafts will give you strength and reliability to dominate the competition. With SCAT's premium non-twist forgings, machined to exact specifications big and reliable cubic inches can be made. -Designed & engineered at SCAT -Precision ground & micro polished -Heat treated & ion nitrided -Straight shot & chamfered oil holes -Lightening holes & large radii on all journals -Available for Chevy, Chrysler, Ford, Jeep, Pontiac