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COMP Cams Stage 1 Thumpr Master Cam Kit for GEN IV LS 4.8/5.3/6.0L Trucks

Part # MK54-701-11

Description

The Stage 1 Thumpr Master Cam Kit for LS Gen IV 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 Duration295 deg
Advertised Intake Duration276 deg
Amazon ASINB07MC8XLDV
Assembly Lubricant IncludedNo
Basic Operating RPM Range1,800-6,400 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 Kit75
Exhaust Duration at .050 inch Lift233 deg
Exhaust Valve Lift0.536 in
Gaskets IncludedNo
Grind Number276LTH12
Intake Duration at .050 Inch Lift222 deg
Intake Valve Lift0.541 in
Kit TypeMK-Kit
Lifter TypeHydraulic Roller
Lifters IncludedYes
Lobe Separation112 deg
Locks IncludedYes
Pushrods IncludedYes
Recommended Cam Install Kit5621
Recommended Max-Lift BSR Shaft Rocker System1981-16
UPC / GTIN00036584387640