This is a small-block crankshaft which came in GM Performance 383 ci crate engines. Made of 4340 steel and has a 3.800" stroke.
It was removed from a brand new crate engine which was modified for a high performance build. As a result, it no longer needed the OEM Factory Parts. Excellent condition with minimal evidence of use. OEM, Not an aftermarket replacement.
Actual crankshaft you will receive is pictured. Please compare to your original to ensure this is the proper part you are needing.
For use with the following components only: Single connecting rod - P/N 12497624 Set of 8 rods - P/N 12497870 Piston, standard - P/N 12489437 Piston .030 oversize - P/N 12497879 Balancer - P/N 12498008 Flywheel or flexplate - Use 1986 or later one piece crank seal design
