LS1/LS6 Xtreme RPM High Hyd. Roller Cam XR281HR - 54-428-11

Camshaft - XFI RPM Hi-Lift - Hydraulic Roller - Lift 0.571 / 0.573 in - Duration 281 / 283 - 112 LSA - 2200 / 7200 RPM - GM LS-Series - Each