COMP Cams - 54-777-11
NSR Drift 233/243 Hydraulic Roller Cam for GM LS GEN III/IV
The best possible drop-in cam for a budget 5.3L Drift / Road Race / Drag build with Spintron-proven 7500 RPM+ stability. It is a good idea to replace the timing chain.
Recommended Cam Install Kit: 5621
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
Grind Number: 294LSD14
Cam Type: Hydraulic Roller
Lifter Type: Hydraulic Roller
Usage: Race or Street/Strip
Camshaft Series: NSR Drift
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
Performance Description: The best possible drop-in cam for a budget 5.3L Drift / Road Race / Drag build with Spintron-proven 7500 RPM+ stability. It is a good idea to replace the timing chain.
Basic Operating RPM Range: 3000-7500
Intake Duration at .050 Inch Lift: 233
Exhaust Duration at .050 Inch Lift: 243
Advertised Intake Duration: 294
Advertised Exhaust Duration: 304
Lobe Separation: 114
Intake Valve Lift: 0.541
Exhaust Valve Lift: 0.541
Camshaft Material: Billet Steel
Lifters Included: No
Assembly Lubricant Included: Yes
Recommended Valve Spring Kit/Part Number: 26906
Valve Springs Required: No, but recommended
Camshaft Gear Attachment: 3-Bolt
