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
Camshaft Material:
Valve Springs Required:
Assembly Lubricant Included:
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range: 1,900-7,000
Grind Number: 277Lr HR-13
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: LSR Cathedral Port Small Displacement/Max Torque
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
Exhaust Close ATDC: 26
Intake Open BTDC: 28
Exhaust Open BBDC: 78
Intake Close ABDC: 68
Camshaft Gear Attachment: 3-Bolt
Component Part Number
Break-In Lube: 159
Lifter Kit: 850-16  /   875-16