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LSR Cathedral Port 259/267 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.
SKU
54-466-11
$424.59
Grind Number: 309LRx 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 Cathedral 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 P65Warnings.ca.gov
Advertised Intake Duration: 309
Advertised Exhaust Duration: 317
Intake Duration at .050 Inch Lift: 259
Exhaust Duration at .050 Inch Lift: 267
Intake Valve Lift: 0.624
Exhaust Valve Lift: 0.624
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: 41
Exhaust Open BBDC: 95

Intake Open BTDC: 41
Intake Close ABDC: 87
Component
Part Number
Break-In Lube: 159