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COMP Cams Stage 2 Thumpr Master Cam Kit for GEN III LS 4.8/5.3/6.0L Trucks

Part # MK54-702-11

Description

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.

Specifications

Advertised Exhaust Duration299 deg
Advertised Intake Duration280 deg
Amazon ASINB07MJH8WVG
Assembly Lubricant IncludedNo
Basic Operating RPM Range1,800-6,600 RPM
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 Federally Certified Vehicles Manufactured Before 1967?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. Exempt for Racing and Off-Road Only Vehicles?Yes, but must be a race/competition only vehicle.
Cam TypeHydraulic Roller
Camshaft Gear Attachment3-Bolt
Camshaft MaterialBillet Steel
Camshaft SeriesThumpr NSR (No Springs Required)
Engine FamilyGM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
Estimated Horsepower Gain with Kit81
Exhaust Duration at .050 inch Lift237 deg
Exhaust Valve Lift0.638 in
Gaskets IncludedNo
Grind Number280LTH13
Intake Duration at .050 Inch Lift226 deg
Intake Valve Lift0.663 in
Kit TypeMK-Kit
Lifter TypeHydraulic Roller
Lifters IncludedYes
Lobe Separation113 deg
Locks IncludedYes
Pushrods IncludedYes
Recommended Cam Install Kit5621
Recommended Max-Lift BSR Shaft Rocker System1981-16
UPC / GTIN00036584387619