Specifications
- Brand
- COMP Cams
- Part #
- 31-600-8
- UPC
- 036584212041
COMP Cams Camshaft FS 283Th R7 Thumper R
$610.14
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COMP Cams Thumpr R7 hydraulic roller camshaft for Ford 221-302 Windsor engines. Delivers a choppy idle and improved performance, best with a 2000+ converter.
Key Features
- Fits Ford 221, 255, 260, 289, and 302 small block Windsor engines.
- Hydraulic roller camshaft design for improved performance and reduced friction.
- Intake duration at .050 lift is 227 degrees; exhaust duration is 241 degrees.
- Designed for a choppy, thumping idle characteristic of performance street cams.
- Works with stock torque converters but performs best with a 2000+ RPM stall converter and appropriate gearing.
- Suitable for high-performance street applications.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
Starting with a 227-degree intake and 241-degree exhaust duration at .050 lift, this COMP Cams Thumpr R7 camshaft is built for Ford small block Windsor engines. It's designed to give you that aggressive, choppy idle that many enthusiasts look for in a performance street build. This camshaft is a hydraulic roller type, which generally means less friction and better performance compared to flat tappet designs.
This camshaft is a popular choice for street performance applications where you want a noticeable idle sound and improved power. While it can work with a stock torque converter, you'll see the best results and a more consistent power band when paired with a converter rated for 2000 RPM or higher, along with appropriate gearing. This setup helps keep the engine in its power band, especially during acceleration. It's a well-built component aimed at giving your classic Ford a more aggressive personality and a boost in performance.
This camshaft fits a wide range of Ford vehicles from the 1960s through the early 1990s, including popular models like the Ford Mustang, Fairlane, and Torino. It's important to note that this camshaft is not CARB approved and cannot be shipped to California. Always consult the manufacturer's installation instructions for specific details regarding your build.
Specifications
- Brand
- COMP Cams
- Manufacturer Part #
- 31-600-8
- UPC
- 036584212041
Frequently Asked Questions
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COMP Cams Camshaft FS 283Th R7 Thumper R