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LSR Centrifugal Blower 227/243 Hydraulic Roller Cam for GM LS GEN III/IV
HYDRAULIC ROLLER-Strong midrange power when used with a centrifugal blower.
SKU
54-477-11
$424.59
Grind Number: 277LCB HR14
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
RPM Operating Range: 2,200-7,000
Cam Type: Hydraulic Roller
Lifter Style: Hydraulic Roller
Camshaft Series: LSR Centrifugal Blower
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: 277
Advertised Exhaust Duration: 293
Intake Duration at .050 Inch Lift: 227
Exhaust Duration at .050 Inch Lift: 243
Intake Valve Lift: 0.614
Exhaust Valve Lift: 0.624
Lobe Separation: 114
Assembly Lubricant Included: No
Intake Centerline: 109
Lobe Lift Intake: 0.361
Lobe Lift Exhaust: 0.367
Valve Timing @ 0.006 Lift:
Exhaust Close ATDC: 28
Exhaust Open BBDC: 84

Intake Open BTDC: 28
Intake Close ABDC: 68
Component
Part Number
Break-In Lube: 159