COMP CAMS 31-600-9 COMP Cams 31-600-9 Thumpr Hydraulic Roller Camshaft for Small Block Ford

The COMP Cams 31-600-9 Thumpr camshaft is designed for Small Block Ford engines seeking an aggressive exhaust note, strong street performance, and responsive power throughout the operating range. This hydraulic roller camshaft combines Thumpr series attitude with roller-lifter compatibility, making it a performance-focused choice for engine builds that require increased valve lift and extended duration. It is supplied as an individual camshaft for applications using the appropriate Small Block Ford valvetrain components.
The camshaft features 0.531 inches of intake lift and 0.515 inches of exhaust lift, with advertised duration ratings of 283 degrees on the intake and 303 degrees on the exhaust. Its 107-degree lobe separation angle supports a distinctive lopey idle character and helps emphasize the camshaft’s performance-oriented personality. The specifications are suited to enthusiasts building a noticeable street or weekend performance combination where sound, throttle response, and upper-range power are important considerations.
With a recommended operating range of approximately 1,900 to 5,600 RPM, the COMP Cams 31-600-9 is intended to deliver usable performance from the midrange into higher engine speeds. As a hydraulic roller design, it is engineered for use with compatible roller lifters and related valvetrain hardware. Verify engine compatibility, cylinder head clearance, piston-to-valve clearance, compression ratio, rocker arm ratio, and the complete valvetrain setup before installation. Proper degreeing and tuning are also recommended to help achieve the intended performance from this Small Block Ford Thumpr camshaft.

Features:

• Brand: COMP Cams

• Part Number: 31-600-9

• Camshaft Type: Thumpr hydraulic roller camshaft

• Application: Small Block Ford engines

• Intake Lift: 0.531 inches

• Exhaust Lift: 0.515 inches

• Intake Duration: 283 degrees

• Exhaust Duration: 303 degrees

• Lobe Separation Angle: 107 degrees

• Operating Range: Approximately 1,900 to 5,600 RPM

• Quantity: Sold individually