COMP Cams Stage 2 Thumpr 226/237 Hydraulic Roller Camshaft for 5.3L & 6.0L Chevrolet V8 Engines

Stage 2 Thumpr 226/237 Hydraulic Roller Cam Larger version of No Springs Required (NSR) Thumpr design for 5.3 & 6.0L truck applications. Ideal for more highly modified truck w/ headers, converter, gear, etc. CK and MK camshaft kits are available for this camshaft. Add CK or MK to the beginning of this part number for a CK or MK Kit with appropriately matched valvetrain parts. Saab: 9-7x 08 - 08 6 L Engine, Workhorse: FasTrack FT1461 04 - 05 6 L Engine, Chevrolet: Trailblazer 06 - 08 6 L Engine, Chevrolet: SSR 05 - 06 6 L Engine, GMC: Sierra 08 - 16 6.2 L Engine, Chevrolet: Silverado 2500 06 - 13 4.8 L Engine, GMC: Sierra 1500 HD Classic 07 - 07 6 L Engine, Chevrolet: Silverado 1500 HD Classic 07 - 07 6 L Engine, GMC: Sierra 2500 HD Classic 07 - 07 6 L Engine, Chevrolet: Cargo Van 04 - 04 6 L Engine, Workhorse: FasTrack FT1601 04 - 05 4.8 L Engine, Workhorse: FasTrack FT1461 04 - 05 4.8 L Engine, Workhorse: FasTrack FT1261 05 - 05 4.8 L Engine, GMC: Sierra 3500 01 - 06 6 L Engine, GMC: Sierra 2500 99 - 04 6 L Engine, Chevrolet: Silverado 2500 99 - 04 6 L Engine, Chevrolet: Monte Carlo 06 - 07 5.3 L Engine, GMC: Sierra 2500 99 - 00 5.3 L Engine, Chevrolet: Silverado 3500 HD 07 - 19 6 L Engine, Chevrolet: Silverado 1500 09 - 13 6.2 L Engine, Chevrolet: Avalanche 07 - 13 5.3 L Engine, Chevrolet: Corvette 06 - 13 7 L Engine, GMC: Yukon XL 1500 01 - 09 6 L Engine, Workhorse: FasTrack FT1801 04 - 05 6 L Engine, Chevrolet: Corvette 08 - 13 6.2 L Engine, Chevrolet: Tahoe 00 - 14 5.3 L Engine, Cadillac: Escalade 02 - 13 6 L Engine, Cadillac: Escalade 07 - 16 6.2 L Engine, GMC: Canyon 09 - 12 5.3 L Engine, Cadillac: Escalade EXT 07 - 13 6.2 L Engine, Saab: 9-7x 05 - 09 5.3 L Engine, Buick: Allure 08 - 09 5.3 L Engine, GMC: Yukon 01 - 13 6 L Engine, Pontiac: G8 09 - 09 6.2 L Engine, GMC: Yukon 07 - 14 6.2 L Engine, GMC: Sierra 1500 Classic 07 - 07 5.3 L Engine, GMC: Envoy 05 - 09 5.3 L Engine, GMC: Savana 1500 03 - 14 5.3 L Engine, Chevrolet: Suburban 16 - 18 6 L Engine, Chevrolet: Tahoe 00 - 06 4.8 L Engine, Chevrolet: Sonora 03 - 06 5.3 L Engine, Chevrolet: Express Cargo 10 - 17 6 L Engine, Workhorse: FasTrack FT1061 04 - 05 4.8 L Engine, GMC: Yukon XL 1500 07 - 14 6.2 L Engine, Cadillac: Escalade ESV 07 - 16 6.2 L Engine, Hummer: H3 08 - 10 5.3 L Engine, Chevrolet: Express 3500 03 - 19 6 L Engine, Chevrolet: Silverado 2500 HD Classic 07 - 07 6 L

The COMP Cams Part Number 54-702-11 Stage 2 Thumpr hydraulic roller camshaft is designed to enhance the performance of 5.3L and 6.0L Chevrolet V8 engines, making it an ideal upgrade for highly modified trucks with headers, converters, and gears. This larger version of the popular No Springs Required (NSR) Thumpr series offers increased lift and duration to deliver aggressive camshaft characteristics, resulting in improved horsepower and torque gains across the powerband.

Constructed by renowned brand COMP Cams, this camshaft features a durable hydraulic roller design optimized for street and performance applications. It is not carburetor approved and requires carb acknowledgment due to its high-performance nature. The camshaft's specifications include a lift of approximately 0.226 inches on the intake and 0.237 inches on the exhaust, with a duration that complements aggressive engine tuning.

Designed for easy installation in compatible engines, this camshaft is suitable for a variety of GM trucks and SUVs from 1999 to 2008, including models like the Silverado, Sierra, Avalanche, and more. Its advanced profile is tailored to improve throttle response, overall power output, and engine efficiency, especially when paired with matched valvetrain components available as CK or MK kits. Whether you're building a weekend warrior or a high-performance daily driver, this camshaft provides a significant upgrade over stock components, maximizing your engine's potential without requiring additional springs.

For optimal performance and durability, proper valvetrain matching and installation are recommended. This part is shipped as a single unit and is a direct bolt-in replacement for stock camshafts in compatible GM V8 engines, offering a straightforward upgrade path to increased power and engine responsiveness.

Features:

• Designed for 5.3L and 6.0L Chevrolet V8 engines for increased performance

• Hydraulic roller camshaft for durability and smooth operation

• Larger lift: approximately 0.226 inches intake and 0.237 inches exhaust

• Optimized duration for aggressive power delivery

• Compatible with a wide range of GM trucks and SUVs from 1999 to 2008

• Ideal for highly modified engines with headers, converters, and gear upgrades

• Matching CK and MK valvetrain kits available for enhanced performance

• Not carburetor approved, requires carb acknowledgment

• Engineered by COMP Cams for reliable high-performance upgrades