LSR Rectangular Port 259/279 Hydraulic Roller Cam for GM LS GEN III/IV

HYDRAULIC ROLLER-All out power for extreme displacement race application engines with cathedral port cylinder heads.

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Grind Number: 309LRR HR15
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range: 3,000-7,200
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: LSR Rectangular Port Large Displacement
Camshaft Gear Attachment: 3-Bolt
Usage: Strip
Valve Springs Required: Yes
Camshaft Material: Billet Steel
California Proposition 65: WARNING: Cancer and Reproductive Harm
Advertised Intake Duration: 309
Advertised Exhaust Duration: 325
Intake Duration at .050 Inch Lift: 259
Exhaust Duration at .050 Inch Lift: 275
Lobe Separation: 115
Assembly Lubricant Included: No
Intake Centerline: 112
Lobe Lift Intake: 0.367
Lobe Lift Exhaust: 0.367
Valve Timing @ 0.006 Lift:
Exhaust Close ATDC: 45
Exhaust Open BBDC: 99
Intake Open BTDC: 41
Intake Close ABDC: 87
Component Part Number
Break-In Lube: 159