graves adjustable cam sprocket set

Description

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, …