COMP Cams 54-457-11

COMP Cams - 54-457-11

Camshaft - LSR Cathedral Port - Hydraulic Roller - Lift 0.610 / 0.617 in - Duration 273 / 281 - 112 LSA - 1700 / 6800 RPM - GM LS-Series - Each

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

Camshaft Series: LSR Cathedral Port Small Displacement/Max Torque

Cam Type: Hydraulic Roller

Grind Number: 273Lr HR12

Basic Operating RPM Range: 1,700-6,800

Intake Duration at .050 Inch Lift: 223

Assembly Lubricant Included: No

Camshaft Gear Attachment: 3-Bolt

Camshaft Material: Billet Steel

Lifter Type: Hydraulic Roller

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

Amazon ASIN: B002EE2GA2

C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.

C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for On-Road Vehicles?: No

C.A.R.B. Exemption Reason: N/A

C.A.R.B. E.O. Number: N/A

MSE Process Video Link: https://www.youtube.com/watch?v=hTyIQxrPCCI

Exhaust Duration at .050 inch Lift: 231

Advertised Intake Duration: 273

Advertised Exhaust Duration: 281

Lobe Separation: 112

Intake Valve Lift: 0.61

Exhaust Valve Lift: 0.617

Lifters Included: No

Valve Springs Required: Yes

COMP Cams 54-457-11 - Camshaft LS1 273Lr HR-112