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Competition Cams 54-273-11
HV Cam 218/226 .575/.570 Hyd Roller for GEN III/IV 4.8L/5.3L/6.0L; This COMP Cams® HV NSR cam is designed for GMcathedral port 4.8L/5.3L/6.0L powered vehicles. Itprovides amazing drivability and throttle responsewhile also requiring minimal tuning.
Competition Cams 54-275-11
HV Cam 226/234 .575/.570 Hyd Roller for GEN III/IV 4.8L/5.3L/6.0L; This COMP Cams HV cam is designed with a focus towardeither drivability, towing and response in largerdisplacement (6.0L up) engines or moving peak torque tohigher RPM in smaller displacement (4.8L & 5.3L) applications.