Orbital Parts is not a corporate affiliate of Edelbrock Group.

Free shipping over C$100
Toggle Nav
Cart 0 Shopping Cart Cart
COMP CamsMore from COMP Cams

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

Part # 54-701-11

Description

Stage 1 Thumpr 222/233 Hydraulic Roller Cam

Specifications

Advertised Exhaust Duration295 deg
Advertised Intake Duration276 deg
Amazon ASINB07M628XJT
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)
CK-Kit UpgradeCK54-701-11
Engine FamilyGM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
Exhaust Duration at .050 inch Lift233 deg
Exhaust Valve Lift0.536 in
Grind Number276LTH12
Intake Duration at .050 Inch Lift222 deg
Intake Valve Lift0.541 in
Lifter TypeHydraulic Roller
Lifters IncludedNo
Lobe Separation112 deg
MK-Kit UpgradeMK54-701-11
Recommended Cam Install Kit5621
Recommended Max-Lift BSR Shaft Rocker System1981-16
Recommended Upgraded Stock Rocker Arms1477-16
Stage1
UsageStreet / Performance
UPC / GTIN00036584386414