COMP CAMS CL31-601-9 COMP Cams CL31-601-9 Mutha Thumpr Hydraulic Roller Camshaft and Lifters Kit for Small Block Ford

The COMP Cams CL31-601-9 Mutha Thumpr kit combines a camshaft and hydraulic roller lifters for Small Block Ford applications. This kit is identified as the Mutha Thumpr 283/301 configuration and is designed for engines operating within the stated 2,200 to 5,900 RPM range.

The camshaft specification includes 0.567-inch lift on one side and 0.551-inch lift on the other, with advertised duration of 291 and 311 degrees. A 107-degree lobe separation angle supports the listed Mutha Thumpr configuration.

Use the COMP Cams brand and CL31-601-9 part number when verifying application requirements. The kit is supplied as a camshaft and lifter combination for Small Block Ford setups.

Features:

• Application: Small Block Ford
• Product type: Camshaft and hydraulic roller lifters kit
• Series: Mutha Thumpr
• Configuration: 283/301
• Lift: 0.567 inch / 0.551 inch
• Duration: 291 degrees / 311 degrees
• Lobe separation angle: 107 degrees
• Operating range: 2,200 to 5,900 RPM
• Brand: COMP Cams
• Part number: CL31-601-9