4140 cranks

4140 Steel Cranks are Back!

Discontinued for a while, but now 4140 steel cranks are back by popular demand. Forged 4140 steel cranks are recommended for use up to 1000 hp. This helps fill the gap between cast and forged 4340 steel. these cranks are ideal for that competition engine that demands more than a cast crank can handle but you want something less expensive than a 4340 crank.

part number



535037505700small block Chevy, 3.750" stroke, internal balance
545442526385big block Chevy, 4.250" stroke, internal balance


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