Graves Motorsports Slotted Cam Sprockets allow for precise cam timing to achieve maximum performance. A must-have if you plan to improve motor performance. Works with stock camshafts only.
The cam sprocket is an 8620 steel that is carburized to a 58 - 62 Rockwell (C scale).
The adapter is a 17-4 heat treated steel that is treated to a H900 specification, which is a 58 - 62 Rockwell (C scale).
The bolts are made from a proprietary material that is similar to an 8140 chromoly with increased tensile strength from 190 KSI to 220 KSI, the threads are rolled after heat treating to increase the fatigue strength by 10 times, and it comes with a T30 Torx head for maximum torque strength.
Notes: You must press off the stock camshaft sprockets to remove them. Works with stock camshafts ONLY.