LSR Cathedral Port 251/259 Hydraulic Roller Cam for GM LS GEN III/IV
HYDRAULIC ROLLER-420+ci, high compression, high rpm, cathedral CNC-ported heads in race type applications.
SKU
54-464-11
$424.59
Grind Number: 301LRx HR15
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range: 2,600-7,000
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: LSR Cathedral Port Large Displacement
Camshaft Gear Attachment: 3-Bolt
Valve Springs Required: Yes
Camshaft Material: Billet Steel
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 301
Advertised Exhaust Duration: 309
Intake Duration at .050 Inch Lift: 251
Exhaust Duration at .050 Inch Lift: 259
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: 37
Exhaust Open BBDC: 91
Intake Open BTDC: 37
Intake Close ABDC: 83
Component
Part Number
Break-In Lube: 159
