Back to Home : Cranks : GM LS7 Gen IV (Long Length Snout, LS7 Type)

Signature Series - Crankshafts

As our premium line, a Signature Series Crankshaft is the strongest crankshaft you will find for your engine. Its specialized non-twist 4340 forged steel construction comes completely profiled and detailed to our racing specs and has proven to withstand applications well over 1500 horsepower. Many design features such as gun drilled mains, lightened rod journals, micropolished journals and a windage reducing Contoured Wing counterweight profile make the Signature Series the best choice for serious racers. Each Signature Series crankshaft is Pulsed Plasma Nitride Heat Treated for increased strength and durability

Need help with your application? Visit our Contact Page to see your options for talking with a technician.

 Part NumberDetailsPrice 
P/N: 60940001 Signature Series Crankshaft - GM LS7 GEN IV 4.000" Stroke (24 Tooth Reluctor) $1,856.71
P/N: 60941251 Signature Series Crankshaft - GM LS7 GEN IV 4.125" Stroke (24 Tooth Reluctor) $1,856.71
P/N: 60942501 Signature Series Crankshaft - GM LS7 GEN IV 4.250" Stroke (24 Tooth Reluctor) $1,856.71
P/N: 60945001 Signature Series Crankshaft - GM LS7 GEN IV 4.500" Stroke (24 Tooth Reluctor) $1,856.71
P/N: 60946001 Signature Series Crankshaft - GM LS7 GEN IV 4.600" Stroke (24 Tooth Reluctor) $1,856.71
P/N: 61040001 Signature Series Crankshaft - GM LS7 GEN IV 4.000" Stroke (58 Tooth Reluctor) $1,856.71
P/N: 61041251 Signature Series Crankshaft - GM LS7 GEN IV 4.125" Stroke (58 Tooth Reluctor) $1,856.71
P/N: 61042501 Signature Series Crankshaft - GM LS7 GEN IV 4.250" Stroke (58 Tooth Reluctor) $1,856.71
P/N: 61045001 Signature Series Crankshaft - GM LS7 GEN IV 4.500" Stroke (58 Tooth Reluctor) $1,856.71
P/N: 61046001 Signature Series Crankshaft - GM LS7 GEN IV 4.600" Stroke (58 Tooth Reluctor) $1,856.71