COMP Cams 54-452-11 - Camshaft GM G3 XFI 266 HR15
XFI Xtreme Truck 212/216 Hydraulic Roller Cam for GM LS GEN III/IV
5.3L/6.0L Chevrolet/GMC truck. Significant gains in mid and upper RPM range. Exhaust upgrade needed for best performance. Needs programmer.
Lobe Separation: 115
Intake Valve Lift: 0.52
Exhaust Valve Lift: 0.524
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: B001G95P40
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
Camshaft Series: XFI Xtreme Truck
Cam Type: Hydraulic Roller
Grind Number: G3 XFI 266 HR15
Basic Operating RPM Range: 800-5,200
Intake Duration at .050 Inch Lift: 212
Exhaust Duration at .050 inch Lift: 216
Advertised Intake Duration: 266
Advertised Exhaust Duration: 270