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The COMP Cams XFI RPM HI-Lift XR281HR cam targets high-RPM street/strip performance and is specified for use with FAST LSX intakes. It requires a programmer for proper tuning after installation. This cam is appropriate for builders combining intake and valvetrain upgrades to attain higher engine speeds and stronger top-end output while relying on calibrated engine management.
COMP Cams Camshaft LS1 XR281HR-12
