COMP Cams K31-601-9 Mutha Thumpr Hydraulic Roller Camshaft Kit for Small Block Ford

The COMP Cams Mutha Thumpr K-Kit is a Small Block Ford hydraulic roller camshaft kit designed for applications requiring a camshaft, lifters, springs, and timing set in one package. Part number K31-601-9 features a 235/249 Mutha Thumpr profile with a 107-degree lobe separation angle.

The camshaft provides 0.541-inch intake lift and 0.526-inch exhaust lift, with advertised duration ratings of 291 degrees intake and 311 degrees exhaust. Its stated operating range is 2,200 to 5,900 RPM, making the kit suited to builds planned around this performance range.

This kit includes the camshaft, hydraulic roller lifters, springs, and timing set as identified in the product description. The COMP Cams K31-601-9 is designated for Small Block Ford applications and is supplied as a coordinated Mutha Thumpr hydraulic roller package.

Features:

• Brand: COMP Cams
• Part Number: K31-601-9
• Application: Small Block Ford
• Camshaft Type: Hydraulic roller
• Kit Components: Camshaft, lifters, springs, and timing set
• Camshaft Series: Mutha Thumpr
• Intake Lift: 0.541 inch
• Exhaust Lift: 0.526 inch
• Intake Duration: 291 degrees
• Exhaust Duration: 311 degrees
• Lobe Separation Angle: 107 degrees
• Operating Range: 2,200 to 5,900 RPM