LSR Cathedral Port 223/231 Hydraulic Roller Cam for GM LS GEN III/IV

HYDRAULIC ROLLER-Steady power throughout broad range. Needs aftermarket airflow improvements on inlet and exhaust.

In stock

SKU

54-457-11

$479.95

Camshaft Material:

Valve Springs Required:

Assembly Lubricant Included:

Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)

RPM Operating Range: 1,700-6,800

Grind Number: 273Lr HR12

Cam Type: Hydraulic Roller

Lifter Style: Hydraulic Roller

Camshaft Series: LSR Cathedral Port Small Displacement/Max Torque

California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

Advertised Intake Duration: 273

Advertised Exhaust Duration: 281

Intake Duration at .050 Inch Lift: 223

Exhaust Duration at .050 Inch Lift: 231

Intake Valve Lift: 0.61

Exhaust Valve Lift: 0.617

Lobe Lift Intake: 0.359

Lobe Lift Exhaust: 0.363

Lobe Separation: 112

Intake Centerline: 107

Exhaust Close ATDC: 24

Intake Open BTDC: 28

Exhaust Open BBDC: 76

Intake Close ABDC: 64

Camshaft Gear Attachment: 3-Bolt

Component Part Number

Break-In Lube: 159

Lifter Kit: 850-16 / 875-16

Specifications