COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits K42-600-11 Camshaft Kits, Kits, Advertised Duration 283/303, Lift 0.531/0.515, Olds, Oldsmobile V8, Kit
COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits K42-600-11 Camshaft Kits, Kits, Advertised Duration 283/303, Lift 0.531/0.515, Olds, Oldsmobile V8, Kit
Description
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 21:16:09
Features
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Comp Cams, Comp Cams (edelbrock) |
| StreetFX SKU | ccaK42-600-11 |
| SFX Item ID | 4776802 |
| Accounting SKU | cca-K42-600-11 |
| Manufacturer SKU | K42-600-11 |
| Manufacturer UPC | 036584381846 |
| Alternative References | CCA-K42-600-11, K42-600-11 |
Camshaft Kits, Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits, Advertised Duration 283/303, Lift 0.531/0.515, Olds, Oldsmobile V8, Kit
Musclecar sound is back and nastier than ever with these Thumpr retrofit hydraulic roller cam and lifter kits from COMP Cams! These cams feature a thumping high performance idle and provide significant horsepower and torque increases. Specially engineered profiles are offered for each unique engine, providing the perfect combination of an early intake valve opening, a long exhaust duration, and a generous amount of intake and exhaust overlap to maximize your engine's nasty-idling characteristics without negatively impacting streetability. These kits include high-quality matched lifters for unbeatable performance, durability, and ease of installation.
| Product Attributes | |
|---|---|
| Brand | COMP Cams |
| Manufacturer's Part Number | K42-600-11 |
| Part Type | Camshaft Kits |
| Product Line | COMP Cams Thumpr Retrofit Hydraulic Roller Cam and Lifter Kits |
| UPC | 00036584381846 |
| Cam Style | Hydraulic roller, Retro-fit |
| Basic Operating RPM Range | 1,700-5,500 |
| Camshaft Use | Street/Strip |
| Camshaft Manufacturers Description | High performance street, stock converter ok, best with 2000+ converter & gears, choppy/thumping idle. |
| Intake Duration at 050 inch Lift | 227 |
| Exhaust Duration at 050 inch Lift | 241 |
| Duration at 050 inch Lift | 227 int./241 exh. |
| Advertised Intake Duration | 283 |
| Advertised Exhaust Duration | 303 |
| Advertised Duration | 283 int./303 exh. |
| Intake Valve Lift with Factory Rocker Arm Ratio | 0.531 in. |
| Exhaust Valve Lift with Factory Rocker Arm Ratio | 0.515 in. |
| Valve Lift with Factory Rocker Arm Ratio | 0.531 int./0.515 exh. |
| Camshaft Gear Attachment | 1-bolt |
| Grind Number | 283THR7 |
| Computer-Controlled Compatible | No |
| Lifters Included | Yes |
| Lifter Style | Hydraulic roller |
| Valve Springs Included | Yes |
| Valve Spring Style | Standard |
| Outside Diameter of Outer Spring (in.) | 1.437 in. |
| Retainers Included | Yes |
| Locks Included | Yes |
| Valve Stem Seals Included | Yes |
| Timing Chain and Gears Included | Yes |
| Timing Chain Style | Double roller |
| Assembly Lubricant Included | Yes |
| Pushrods Included | No |
| Rocker Arms Included | No |
| Gaskets Included | No |
| Valve Springs Required | No |
| Quantity | Sold as a kit. |
Compatibility
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