COMP Cams 54-464-11 - Camshaft LS1 301Lrx HR-115
LSR Cathedral Port 251/259 Hydraulic Roller Cam for GM LS GEN III/IV
420+c.i., high compression, high RPM, cathedral CNC-ported heads in race type applications.
Camshaft Series: LSR Cathedral Port Large Displacement
Cam Type: Hydraulic Roller
Grind Number: 301LRx HR15
Basic Operating RPM Range: 2,600-7,000
Intake Duration at .050 Inch Lift: 251
Exhaust Duration at .050 inch Lift: 259
Advertised Intake Duration: 301
Advertised Exhaust Duration: 309
Lobe Separation: 115
Intake Valve Lift: 0.624
Exhaust Valve Lift: 0.624
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Billet Steel
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
Lifter Type: Hydraulic Roller
Amazon ASIN: B002EDYJZS
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