One of the newest grinds in the CMS line-up. These are not for the weak of heart! Piston notches required for PTV clearance. Must be used with aftermarket valvesprings. Highly ported PI heads required or perfect for TFS heads. 3.73 gears or more and 3200+ convertor for automatics. Tuning required. RPM range of 3500-7500.
.550"/.550" lift, 240/246 .050" duration, 108 LSA