GM LS w/ 24T Reluctor3.622" Stroke6.125" and up Rod LengthE4340 Aircraft Quality Bar Stock MaterialCenter CounterweightsDouble Keyways
GM LS w/ 58T Reluctor4.125" Stroke6.125" and up Rod LengthE4340 Aircraft Quality Bar Stock MaterialCenter CounterweightsDouble Keyways
Chev 454 Main 2pc Rear Main4.250" Stroke6.385" and up Rod LengthE4340 Aircraft Quality Bar Stock MaterialCenter CounterweightsDouble Keyways
Chev 454 Main 2pc Rear Main4.500" Stroke6.535" and up Rod LengthE4340 Aircraft Quality Bar Stock MaterialCenter CounterweightsDouble Keyways