LSR Cathedral Port 215/223 Hydraulic Roller Cam for GM LS GEN III/IV

HYDRAULIC ROLLER-Very strong torque and excellent response. Works best in heavy vehicles, low rpm applications.

Grind Number: 265Lr HR12
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range: 1,300-6,500
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: LSR Cathedral Port Small Displacement/Max Torque
Camshaft Gear Attachment: 3-Bolt
Valve Springs Required: Yes
Camshaft Material: Billet Steel
California Proposition 65: WARNING: Cancer and Reproductive Harm
Advertised Intake Duration: 265
Advertised Exhaust Duration: 273
Intake Duration at .050 Inch Lift: 215
Exhaust Duration at .050 Inch Lift: 223
Intake Valve Lift: 0.604
Exhaust Valve Lift: 0.61
Lobe Separation: 112
Assembly Lubricant Included: No
Intake Centerline: 107
Lobe Lift Intake: 0.355
Lobe Lift Exhaust: 0.359
Valve Timing @ 0.006 Lift:
Exhaust Close ATDC: 20
Exhaust Open BBDC: 72
Intake Open BTDC: 24
Intake Close ABDC: 60
Component Part Number
Break-In Lube: 159
Lifter Kit: 850-16