Callies Apex Series Crankshaft - 4.250 in Stroke - Internal Balance - 58X Reluctor - Forged - 1-Piece Seal - GM LS-Series 36007BK For use on 1986-1996 small

For use on 1986-1996 small block Chevrolet engines with 1 piece rear main

Includes Set Screws

pressure capability with non-sticking poppet type relief value set at 1400 p

Right Front / Left Rear

Callies Apex Series Crankshaft - 4.250 in Stroke - Internal Balance - 58X Reluctor - Forged - 1-Piece Seal - GM LS-Series 36007BK For use on 1986-1996 smallProduct Description: Crankshaft Apex Series 4. 250 in Stroke Internal Balance 58X Reluctor Forged Steel 1 Piece Seal GM LS Series Sold Individually Callies Performance Products began manufacturing high performance crankshafts in 1989. With many years of engineering and employee experience, Callies has grown to be the industry leader for innovative product design. Callies Performance Products takes pride in staying ahead of the competition with the