Loading... Please wait...One of the newest grinds in the CMS line-up. These are not for the weak of heart! Must be used with aftermarket valvesprings and +.060" retainers. . Highly ported heads required As well as PI intake. 3.73 gears or more and 3500+ convertor for automatics. Tuning required. RPM range of 3500-7500+.
.550"/.550" lift, 245/249 .050" duration, 109 LSA