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
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
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
