Designed with strength in mind, with over double the strength of the factory and or our competitors shafts. Precision ground from 4140HT steel, gas nitrided and final surface treated. This kit includes the shafts and our ARP bolts.

Recommended for all Twin Cam engines and especially for engines running higher lift camshafts and heavier valvespring pressures.

Twin Cam Stock replacement, Qty. 4 shafts, Qty. 8 bolts