COMP Cams Stage 2 Thumpr 226/237 Master Camshaft Kit GEN3 LS 4.8/5.3/6.0L

SKU: CCAMK54-702-11

Camshaft Kits

CCA Camshaft Kits...

Comp Cams

COMP Cams Stage 2 Thumpr 226/237 Master Camshaft Kit GEN3 LS 4.8/5.3/6.0L

SKU: CCAMK54-702-11

Camshaft Kits

CCA Camshaft Kits...

IN STOCK! Est Ship 3-5 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

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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.

Product Overview

Workhorse: FasTrack FT1801 04 - 05 6 L Engine, Workhorse: FasTrack FT1461 04 - 05 6 L Engine, Chevrolet: SSR 05 - 06 6 L Engine, GMC: Sierra 3500 Classic 07 - 07 6 L Engine, GMC: Sierra 2500 HD Classic 07 - 07 6 L Engine, Chevrolet: Avalanche 07 - 08 6 L Engine, Chevrolet: Silverado 3500 Classic 07 - 07 6 L Engine, Chevrolet: Silverado 1500 HD 01 - 06 6 L Engine, Cadillac: Escalade EXT 02 - 06 6 L Engine, Cadillac: Escalade ESV 03 - 06 6 L Engine, Chevrolet: Impala 06 - 06 5.3 L Engine, Chevrolet: Express 2500 03 - 08 6 L Engine, Chevrolet: Silverado 2500 99 - 04 6 L Engine, GMC: Envoy XUV 04 - 05 5.3 L Engine, Workhorse: FasTrack FT1601 04 - 05 4.8 L Engine, GMC: Yukon 00 - 06 4.8 L Engine, Chevrolet: Avalanche 1500 02 - 06 5.3 L Engine, Chevrolet: Express 3500 03 - 06 4.8 L Engine, Chevrolet: Trailblazer EXT 03 - 06 5.3 L Engine, Chevrolet: Silverado 1500 99 - 06 4.8 L Engine, Workhorse: FasTrack FT1261 05 - 05 4.8 L Engine, Chevrolet: Express 2500 03 - 05 5.3 L Engine, GMC: Sierra 1500 01 - 08 6 L Engine, GMC: Yukon XL 1500 01 - 08 6 L Engine, GMC: Envoy XL 03 - 06 5.3 L Engine, GMC: Savana 2500 03 - 06 4.8 L Engine, Chevrolet: Tahoe 08 - 08 6 L Engine, GMC: Savana 3500 03 - 06 4.8 L Engine, GMC: Savana 2500 03 - 05 5.3 L Engine, GMC: Yukon XL 2500 00 - 08 6 L Engine, Cadillac: Escalade 02 - 05 5.3 L Engine, Isuzu: Ascender 03 - 06 5.3 L Engine, Chevrolet: Trailblazer 06 - 06 5.3 L Engine, GMC: Sierra 1500 99 - 06 5.3 L Engine, Chevrolet: Cargo Van 04 - 04 6 L Engine, GMC: Savana 3500 03 - 08 6 L Engine, Chevrolet: Express 3500 03 - 08 6 L Engine, GMC: Sierra 1500 HD 01 - 06 6 L Engine, Chevrolet: Trailblazer 06 - 08 6 L Engine, GMC: Savana 1500 03 - 06 5.3 L Engine, Chevrolet: Express 3500 03 - 06 5.3 L Engine, Chevrolet: Tahoe 00 - 06 4.8 L Engine, Chevrolet: Silverado 1500 99 - 06 5.3 L Engine, Cadillac: Escalade 02 - 06 6 L Engine, Chevrolet: Tahoe 00 - 06 5.3 L Engine, Chevrolet: SSR 03 - 04 5.3 L Engine, Chevrolet: Silverado 2500 99 - 06 5.3 L Engine, Ponti

Product Details

Advertised Exhaust Duration:	299
Advertised Intake Duration:	280
Amazon ASIN:	B07MJH8WVG
Assembly Lubricant Included:	No
Basic Operating RPM Range:	1,800-6,600
C.A.R.B. E.O. Number:	N/A
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.
C.A.R.B. Exemption Reason:	N/A
California Proposition 65:	WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Cam Type:	Hydraulic Roller
Camshaft Gear Attachment:	3-Bolt
Camshaft Material:	Billet Steel
Camshaft Series:	Thumpr NSR (No Springs Required)
Description:	Stage 2 Thumpr Master Cam Kit for GEN III LS 4.8/5.3/6.0L Trucks
Engine Family:	GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
Estimated Horsepower Gain with Kit:	81
Exhaust Duration at .050 inch Lift:	237
Exhaust Valve Lift:	0.638
Gaskets Included:	No
Grind Number:	280LTH13
Intake Duration at .050 Inch Lift:	226
Intake Valve Lift:	0.663
Kit Type:	MK-Kit
Lifter Type:	Hydraulic Roller
Lifters Included:	Yes
Lobe Separation:	113
Locks Included:	Yes
Part Number:	ccaMK54-702-11
Pushrods Included:	Yes
Recommended Cam Install Kit:	5621
Recommended Max-Lift BSR Shaft Rocker System:	1981-16
Recommended Upgraded Stock Rocker Arms:	1477-16
Retainers Included:	Yes
Stage:	2
Timing Set Included:	Yes
Title:	Stage 2 Thumpr Master Cam Kit for GEN III LS 4.8/5.3/6.0L Trucks
Usage:	Street / Performance
Valve Seals Included:	Yes
Valve Spring Seats Included:	Yes
Valve Springs Included:	Yes

Application Summary

Part Type

Engine Camshaft Kit

Data: v4.2 - Upd: 2026-10-22 16:05:44

Specifications

Product Attributes - Brand: COMP Cams
Product Attributes - Manufacturer's Part Number: MK54-702-11
Product Attributes - Part Type: Camshaft Kits
Product Attributes - Product Line: COMP Cams Thumpr LS Master Camshaft Packages
Product Attributes - UPC: 00036584387619
Product Attributes - Cam Style: Hydraulic roller, OE roller
Product Attributes - Basic Operating RPM Range: 1,800-6,500
Product Attributes - Camshaft Use: Street/Strip
Product Attributes - Camshaft Manufacturers Description: Larger version of No Springs Required (NSR) Thumpr design for 5.3L & 6.0L truck applications. Ideal for more highly modified truck w/ headers, converter, gear etc.
Product Attributes - Intake Duration at 050 inch Lift: 226
Product Attributes - Exhaust Duration at 050 inch Lift: 237
Product Attributes - Duration at 050 inch Lift: 226 int./237 exh.
Product Attributes - Advertised Intake Duration: 280
Product Attributes - Advertised Exhaust Duration: 299
Product Attributes - Advertised Duration: 280 int./299 exh.
Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio: 0.541 in.
Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.539 in.
Product Attributes - Valve Lift with Factory Rocker Arm Ratio: 0.541 int./0.539 exh.
Product Attributes - Lobe Separation (degrees): 113
Product Attributes - Camshaft Gear Attachment: 3-bolt
Product Attributes - Computer-Controlled Compatible: Yes
Product Attributes - Lifters Included: Yes
Product Attributes - Lifter Style: Hydraulic roller
Product Attributes - Valve Springs Included: Yes
Product Attributes - Outside Diameter of Outer Spring (in.): 1.077 in./1.282 in.
Product Attributes - Retainers Included: Yes
Product Attributes - Locks Included: Yes
Product Attributes - Valve Stem Seals Included: Yes
Product Attributes - Timing Chain and Gears Included: Yes
Product Attributes - Timing Chain Style: Double roller
Product Attributes - Assembly Lubricant Included: No
Product Attributes - Pushrods Included: Yes
Product Attributes - Rocker Arms Included: No
Product Attributes - Gaskets Included: No
Product Attributes - Valve Springs Required: No
Product Attributes - Quantity: Sold as a kit.

Reference Information

Brand Name/s	Comp Cams
StreetFX SKU	ccaMK54-702-11
SFX Item ID	4118110
Supplier Item Code	4118110
Manufacturer SKU	MK54-702-11
Manufacturer UPC	36584387619
Alternative References	ls1, ls2, ls3, ls4, ls6, ls7