Details
Comp Cams Stage 2 Thumpr Cam for GEN IV LS 4.8/5.3/6.0L Trucks - 54-703-11
Thumpr lobe design for awesome idle lope in modified 5.3L & 6.0L truck engines. Required high lift valve springs ensure maximum power gains. AFM & VVT delete.
Stage 2 Thumpr Cam for GEN IV LS 4.8/5.3/6.0L Trucks
PRODUCT NOTES:
Camshaft Series - Thumpr NSR (No Springs Required)
Usage - Street / Performance
Cam Type - Hydraulic Roller
Grind Number - 282LTH13
Basic Operating RPM Range - 1,800-6,600 R3
Intake Duration at .050 Inch Lift - 227 DD
Exhaust Duration at .050 inch Lift - 237 DD
Advertised Intake Duration - 282 DD
Advertised Exhaust Duration - 299 DD
Lobe Separation - 113 DD
Intake Valve Lift - 0.614 IN
Exhaust Valve Lift - 0.612 IN
Lifters Included - No
Valve Springs Required - Yes
Assembly Lubricant Included - No
Camshaft Gear Attachment - 3-Bolt
Camshaft Material - Billet Steel
Title - Stage 2 Thumpr Cam for GEN IV LS 4.8/5.3/6.0L Trucks
Lifter Type - Hydraulic Roller
CK-Kit Upgrade - CK54-703-11
California Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Engine Family - GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
Stage - 2
MK-Kit Upgrade - MK54-703-11
Recommended Upgraded Stock Rocker Arms - 1477-16
Recommended Max-Lift BSR Shaft Rocker System - 1981-16
Recommended Cam Install Kit - 5621
Amazon ASIN - B07M6297DT
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
Lethal Performance is proud to offer the entire line of Comp Cams products!
For more than 35 years, the COMP Cams® mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group™ has grown to multiple companies and hundreds of employees, we still retain the competitive spirit and desire to be the very best that has positioned COMP Cams® as the absolute leader in valve train components.
With COMP Cams®, there is no compromise - you're in first place.
