LSR 239/255 Hydraulic Roller Cam for GM GEN IV w/o VVT or AFM

HYDRAULIC ROLLER-Broad top end power range for high rpm race only single bolt LS3 applications.

Engine Family: GM LS2/LS3 GEN IV Single-Bolt w/o VVT and AFM 8 Cylinder (2007-2015)
RPM Operating Range: 2,400-7,200
Grind Number: 289LrR HR14
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: LSR
Camshaft Gear Attachment: 1-Bolt
Usage: Strip
Valve Springs Required: Yes
Camshaft Material: Billet Steel
California Proposition 65: WARNING: Cancer and Reproductive Harm
Advertised Intake Duration: 289
Advertised Exhaust Duration: 305
Intake Duration at .050 Inch Lift: 239
Exhaust Duration at .050 Inch Lift: 255
Lobe Lift Intake: 0.367
Lobe Lift Exhaust: 0.367
Lobe Separation: 114
Intake Centerline: 110
Assembly Lubricant Included: No
Valve Timing @ 0.006 Lift:
Exhaust Close ATDC: 35
Exhaust Open BBDC: 89
Intake Open BTDC: 34
Intake Close ABDC: 75
Component Part Number
Break-In Lube: 159  /   13702-KIT  /   15850-16  /   15956-16  /   26926TS-KIT  /   26926TI-KIT  /   7107