LSR Rectangular Port 243/259 Hydraulic Roller Cam for GM LS GEN III/IV

HYDRAULIC ROLLER-Excellent top end and high rpm power for race style LS engines with aftermarket rectangular port cylinder heads.

In stock
SKU
54-472-11
$476.95
Grind Number: 293LRR HR14
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range: 2,600-7,200
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: LSR Rectangular Port All Out Power
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: 293
Advertised Exhaust Duration: 309
Intake Duration at .050 Inch Lift: 243
Exhaust Duration at .050 Inch Lift: 259
Intake Valve Lift: 0.624
Exhaust Valve Lift: 0.624
Lobe Separation: 114
Assembly Lubricant Included: No
Intake Centerline: 111
Lobe Lift Intake: 0.367
Lobe Lift Exhaust: 0.367
Valve Timing @ 0.006 Lift:
Exhaust Close ATDC: 38
Exhaust Open BBDC: 90
spec-card-valve-timing
Intake Open BTDC: 34
Intake Close ABDC: 78
Component Part Number
Break-In Lube: 159