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LSR Cathedral Port 227/235 Hydraulic Roller Cam for GM LS GEN III/IV


HYDRAULIC ROLLER-Good street/strip camshaft with wide range. Must have substantial airflow upgrades, inlet & exhaust.

In stock
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UPC 036584195221
Manufacturer COMP Cams®
Emissions Code
Engine Family GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range 1,900-7,000
Cam Type Hydraulic Roller
Camshaft Series LSR Cathedral Port Small Displacement/Max Torque
Camshaft Gear Attachment 3-Bolt
California Proposition 65 WARNING: Cancer and Reproductive Harm
Advertised Intake Duration 277
Advertised Exhaust Duration 285
Intake Duration at .050 Inch Lift 227
Exhaust Duration at .050 Inch Lift 235
Intake Valve Lift 0.614
Exhaust Valve Lift 0.621
Lobe Lift Intake 0.361
Lobe Lift Exhaust 0.365
Lobe Separation 113
Intake Centerline 109
Valve Timing Lift 0.006
Exhaust Close ATDC 26
Intake Open BTDC 28
Exhaust Open BBDC 78
Intake Close ABDC 68
Lifter Style Hydraulic Roller