COMP Cams Stage 2 Thumpr 227/237 Master Camshaft Kit GEN4 LS 4.8/5.3/6.0L
COMP Cams Stage 2 Thumpr 227/237 Master Camshaft Kit GEN4 LS 4.8/5.3/6.0L
A$3,368.97
Special Order. Contact for ETA.
This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
We accept
Description
COMP Cams Thumpr LS Master camshaft packages come as a complete valvetrain parts package that is matched for specific LS applications and desired performance. COMP Cams engineers have spent countless hours testing and creating valve train component combinations that are perfectly matched for maximum horsepower and dependability, as well as creating that wildly popular Thumpr sound in GM LS applications. These packages can add anywhere from 60 to 110 hp (depending on the application).
COMP Cams Thumpr LS Master camshaft packages include:
* Thumpr LS camshaft
* Lifters
* Timing gear set
* Pushrods
* Valve springs
* Retainers
* Valve locks
* Spring seats
* Valve seats
Product Overview
Chevrolet: Express Pasajeros 09 - 12 6 L Engine, Chevrolet: Avalanche 09 - 09 6 L Engine, Chevrolet: Express Cargo 09 - 09 5.3 L Engine, GMC: Sierra 1500 Classic 07 - 07 5.3 L Engine, Chevrolet: Express Pasajeros 09 - 12 5.3 L Engine, GMC: Sierra 3500 HD 09 - 12 6 L Engine, Chevrolet: Silverado 2500 07 - 12 4.8 L Engine, Chevrolet: Suburban 1500 07 - 12 5.3 L Engine, GMC: Yukon 07 - 12 5.3 L Engine, Chevrolet: Express 3500 09 - 12 6 L Engine, Hummer: H3 08 - 10 5.3 L Engine, Chevrolet: Trailblazer 07 - 08 5.3 L Engine, Chevrolet: Silverado 1500 07 - 12 5.3 L Engine, Chevrolet: Express 2500 09 - 12 6 L Engine, Chevrolet: Avalanche 07 - 12 5.3 L Engine, Chevrolet: Silverado 1500 Classic 07 - 07 5.3 L Engine, GMC: Sierra 2500 HD 09 - 12 6 L Engine, Chevrolet: Express Cargo 10 - 12 6 L Engine, Chevrolet: Silverado 2500 07 - 12 5.3 L Engine, GMC: Yukon XL 2500 09 - 12 6 L Engine, GMC: Sierra 1500 07 - 12 5.3 L Engine, GMC: Savana 3500 09 - 12 6 L Engine, GMC: Canyon 09 - 12 5.3 L Engine, Chevrolet: Tahoe 09 - 12 6 L Engine, GMC: Savana 3500 07 - 12 4.8 L Engine, Saab: 9-7x 09 - 09 6 L Engine, GMC: Yukon 09 - 12 6 L Engine, Saab: 9-7x 07 - 09 5.3 L Engine, GMC: Sierra 1500 07 - 12 4.8 L Engine, Chevrolet: Silverado 1500 07 - 12 4.8 L Engine, Chevrolet: Express 3500 07 - 12 4.8 L Engine, Chevrolet: Silverado 3500 09 - 12 6 L Engine, GMC: Yukon XL 1500 07 - 12 5.3 L Engine, GMC: Envoy 07 - 09 5.3 L Engine, Chevrolet: Silverado 1500 09 - 12 6 L Engine, Chevrolet: Tahoe 07 - 12 5.3 L Engine, Cadillac: Escalade 09 - 12 6 L Engine, GMC: Sierra 1500 09 - 12 6 L Engine, GMC: Sierra 1500 Classic 07 - 07 4.8 L Engine, Chevrolet: Silverado 1500 Classic 07 - 07 4.8 L Engine, Chevrolet: Cheyenne 07 - 12 5.3 L Engine, GMC: Yukon XL 1500 09 - 09 6 L Engine, GMC: Savana 2500 07 - 12 4.8 L Engine, Hummer: H3T 09 - 10 5.3 L Engine, Buick: Rainier 07 - 07 5.3 L Engine, GMC: Yukon 07 - 09 4.8 L Engine, Chevrolet: Colorado 09 - 12 5.3 L Engine, Chevrolet: Express 2500 07 - 12 4.8 L Engine, Ch
Product Details
| Advertised Exhaust Duration: | 299 |
|---|---|
| Advertised Intake Duration: | 282 |
| Amazon ASIN: | B07MQB7F54 |
| 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 IV 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: | 89 |
| Exhaust Duration at .050 inch Lift: | 237 |
| Exhaust Valve Lift: | 0.612 |
| Gaskets Included: | No |
| Grind Number: | 282LTH13 |
| Intake Duration at .050 Inch Lift: | 227 |
| Intake Valve Lift: | 0.614 |
| Kit Type: | MK-Kit |
| Lifter Type: | Hydraulic Roller |
| Lifters Included: | Yes |
| Lobe Separation: | 113 |
| Locks Included: | Yes |
| Part Number: | ccaMK54-703-11 |
| 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 IV 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
Chevrolet: Express Pasajeros 09 - 12 6 L Engine, Chevrolet: Avalanche 09 - 09 6 L Engine, Chevrolet: Express Cargo 09 - 09 5.3 L Engine, GMC: Sierra 1500 Classic 07 - 07 5.3 L Engine, Chevrolet: Express Pasajeros 09 - 12 5.3 L Engine, GMC: Sierra 3500 HD 09 - 12 6 L Engine, Chevrolet: Silverado 2500 07 - 12 4.8 L Engine, Chevrolet: Suburban 1500 07 - 12 5.3 L Engine, GMC: Yukon 07 - 12 5.3 L Engine, Chevrolet: Express 3500 09 - 12 6 L Engine, Hummer: H3 08 - 10 5.3 L Engine, Chevrolet: Trailblazer 07 - 08 5.3 L Engine, Chevrolet: Silverado 1500 07 - 12 5.3 L Engine, Chevrolet: Express 2500 09 - 12 6 L Engine, Chevrolet: Avalanche 07 - 12 5.3 L Engine, Chevrolet: Silverado 1500 Classic 07 - 07 5.3 L Engine, GMC: Sierra 2500 HD 09 - 12 6 L Engine, Chevrolet: Express Cargo 10 - 12 6 L Engine, Chevrolet: Silverado 2500 07 - 12 5.3 L Engine, GMC: Yukon XL 2500 09 - 12 6 L Engine, GMC: Sierra 1500 07 - 12 5.3 L Engine, GMC: Savana 3500 09 - 12 6 L Engine, GMC: Canyon 09 - 12 5.3 L Engine, Chevrolet: Tahoe 09 - 12 6 L Engine, GMC: Savana 3500 07 - 12 4.8 L Engine, Saab: 9-7x 09 - 09 6 L Engine, GMC: Yukon 09 - 12 6 L Engine, Saab: 9-7x 07 - 09 5.3 L Engine, GMC: Sierra 1500 07 - 12 4.8 L Engine, Chevrolet: Silverado 1500 07 - 12 4.8 L Engine, Chevrolet: Express 3500 07 - 12 4.8 L Engine, Chevrolet: Silverado 3500 09 - 12 6 L Engine, GMC: Yukon XL 1500 07 - 12 5.3 L Engine, GMC: Envoy 07 - 09 5.3 L Engine, Chevrolet: Silverado 1500 09 - 12 6 L Engine, Chevrolet: Tahoe 07 - 12 5.3 L Engine, Cadillac: Escalade 09 - 12 6 L Engine, GMC: Sierra 1500 09 - 12 6 L Engine, GMC: Sierra 1500 Classic 07 - 07 4.8 L Engine, Chevrolet: Silverado 1500 Classic 07 - 07 4.8 L Engine, Chevrolet: Cheyenne 07 - 12 5.3 L Engine, GMC: Yukon XL 1500 09 - 09 6 L Engine, GMC: Savana 2500 07 - 12 4.8 L Engine, Hummer: H3T 09 - 10 5.3 L Engine, Buick: Rainier 07 - 07 5.3 L Engine, GMC: Yukon 07 - 09 4.8 L Engine, Chevrolet: Colorado 09 - 12 5.3 L Engine, Chevrolet: Express 2500 07 - 12 4.8 L Engine, Ch
Part Type
Engine Camshaft Kit
Specifications
- Product Attributes - Brand
- COMP Cams
- Product Attributes - Manufacturer's Part Number
- MK54-703-11
- Product Attributes - Part Type
- Camshaft Kits
- Product Attributes - Product Line
- COMP Cams Thumpr LS Master Camshaft Packages
- Product Attributes - UPC
- 00036584387657
- 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
- 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.
- Product Attributes - Intake Duration at 050 inch Lift
- 227
- Product Attributes - Exhaust Duration at 050 inch Lift
- 237
- Product Attributes - Duration at 050 inch Lift
- 227 int./237 exh.
- Product Attributes - Advertised Intake Duration
- 282
- Product Attributes - Advertised Exhaust Duration
- 299
- Product Attributes - Advertised Duration
- 282 int./299 exh.
- Product Attributes - Intake Valve Lift with Factory Rocker Arm Ratio
- 0.614 in.
- Product Attributes - Exhaust Valve Lift with Factory Rocker Arm Ratio
- 0.612 in.
- Product Attributes - Valve Lift with Factory Rocker Arm Ratio
- 0.614 int./0.612 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.)
- 1.320 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 | ccaMK54-703-11 |
| SFX Item ID | 4124798 |
| Supplier Item Code | 4124798 |
| Manufacturer SKU | MK54-703-11 |
| Manufacturer UPC | 36584387657 |
| Alternative References | ls1, ls2, ls3, ls4, ls6, ls7 |
Brochures
Compatibility
Chevrolet: Express Pasajeros 09 - 12 6 L Engine, Chevrolet: Avalanche 09 - 09 6 L Engine, Chevrolet: Express Cargo 09 - 09 5.3 L Engine, GMC: Sierra 1500 Classic 07 - 07 5.3 L Engine, Chevrolet: Express Pasajeros 09 - 12 5.3 L Engine, GMC: Sierra 3500 HD 09 - 12 6 L Engine, Chevrolet: Silverado 2500 07 - 12 4.8 L Engine, Chevrolet: Suburban 1500 07 - 12 5.3 L Engine, GMC: Yukon 07 - 12 5.3 L Engine, Chevrolet: Express 3500 09 - 12 6 L Engine, Hummer: H3 08 - 10 5.3 L Engine, Chevrolet: Trailblazer 07 - 08 5.3 L Engine, Chevrolet: Silverado 1500 07 - 12 5.3 L Engine, Chevrolet: Express 2500 09 - 12 6 L Engine, Chevrolet: Avalanche 07 - 12 5.3 L Engine, Chevrolet: Silverado 1500 Classic 07 - 07 5.3 L Engine, GMC: Sierra 2500 HD 09 - 12 6 L Engine, Chevrolet: Express Cargo 10 - 12 6 L Engine, Chevrolet: Silverado 2500 07 - 12 5.3 L Engine, GMC: Yukon XL 2500 09 - 12 6 L Engine, GMC: Sierra 1500 07 - 12 5.3 L Engine, GMC: Savana 3500 09 - 12 6 L Engine, GMC: Canyon 09 - 12 5.3 L Engine, Chevrolet: Tahoe 09 - 12 6 L Engine, GMC: Savana 3500 07 - 12 4.8 L Engine, Saab: 9-7x 09 - 09 6 L Engine, GMC: Yukon 09 - 12 6 L Engine, Saab: 9-7x 07 - 09 5.3 L Engine, GMC: Sierra 1500 07 - 12 4.8 L Engine, Chevrolet: Silverado 1500 07 - 12 4.8 L Engine, Chevrolet: Express 3500 07 - 12 4.8 L Engine, Chevrolet: Silverado 3500 09 - 12 6 L Engine, GMC: Yukon XL 1500 07 - 12 5.3 L Engine, GMC: Envoy 07 - 09 5.3 L Engine, Chevrolet: Silverado 1500 09 - 12 6 L Engine, Chevrolet: Tahoe 07 - 12 5.3 L Engine, Cadillac: Escalade 09 - 12 6 L Engine, GMC: Sierra 1500 09 - 12 6 L Engine, GMC: Sierra 1500 Classic 07 - 07 4.8 L Engine, Chevrolet: Silverado 1500 Classic 07 - 07 4.8 L Engine, Chevrolet: Cheyenne 07 - 12 5.3 L Engine, GMC: Yukon XL 1500 09 - 09 6 L Engine, GMC: Savana 2500 07 - 12 4.8 L Engine, Hummer: H3T 09 - 10 5.3 L Engine, Buick: Rainier 07 - 07 5.3 L Engine, GMC: Yukon 07 - 09 4.8 L Engine, Chevrolet: Colorado 09 - 12 5.3 L Engine, Chevrolet: Express 2500 07 - 12 4.8 L Engine, Ch
Loading compatibility information...
Keep shopping
More from Comp Cams
