COMP Cams MK54-702-11 - Stage 2 Thumpr 226/237 Master Camshaft Kit GEN3 LS 4.8/5.3/6.0L
The Stage 2 Thumpr Master Cam Kit for LS GEN III 5.3-6.0L provides an awesome idle lope in modified 5.3L & 6.0L trucks. Includes lifters, timing set, pushrods, LS6+ springs, retainers, locks, spring seats and valve seals.
The Stage 1 Thumpr Master Cam Kit for GM LS 4.8-6.0L is the perfect choice for sound and power in performance trucks. Includes lifters, timing set, Pushrods, LS6+ springs, retainers, locks, spring seats and Seals.
Kit Type: MK-Kit
Camshaft Series: Thumpr NSR (No Springs Required)
Usage: Street / Performance
Cam Type: Hydraulic Roller
Basic Operating RPM Range: 1,800-6,600
Intake Duration at .050 Inch Lift: 226
Exhaust Duration at .050 inch Lift: 237
Advertised Intake Duration: 280
Advertised Exhaust Duration: 299
Lobe Separation: 113
Intake Valve Lift: 0.663
Exhaust Valve Lift: 0.638
Lifters Included: Yes
Valve Springs Included: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Billet Steel
Lifter Type: Hydraulic Roller
Retainers Included: Yes
Locks Included: Yes
Pushrods Included: Yes
Gaskets Included: No
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
Stage: 2
Timing Set Included: Yes
Valve Seals Included: Yes
Valve Spring Seats Included: Yes
Grind Number: 280LTH13
Estimated Horsepower Gain with Kit: 81
Recommended Upgraded Stock Rocker Arms: 1477-16
Recommended Max-Lift BSR Shaft Rocker System: 1981-16
Recommended Cam Install Kit: 5621
Amazon ASIN: B07MJH8WVG
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: 280LTH13
