COMP Cams 07-502-8 - CamShaft, LT1 XR269HR-12

COMP Cams Xtreme Energy XE269HR-12 Camshaft for LT1 Chevy Hydraulic Roller - Xtreme Energy: Good for performance in LT1. Requires custom tuning and upgraded exhaust. Hydraulic Roller - Xtreme Energy: Good for performance in LT1. Requires custom tuning and upgraded exhaust.; 269/276 Advertised Duration, 218/224 Duration .050", .495"/.503" Lift, 112 Lobe Separation; 1500 to 5500 RPM range; Must use bronze tip fuel pump pushrod when using high pressure or high volume pump;