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

The COMP Cams K31-601-9 Mutha Thumpr K-Kit is a complete valvetrain package designed for Small Block Ford applications requiring a hydraulic roller camshaft setup. This kit combines the Mutha Thumpr camshaft with matching hydraulic roller lifters, valve springs, and a timing set to provide a coordinated installation solution for performance street and strip engines.
The camshaft features 0.541 inches of intake lift and 0.526 inches of exhaust lift, with advertised duration ratings of 291 degrees on the intake and 311 degrees on the exhaust. Its 107-degree lobe separation angle supports the aggressive operating characteristics associated with the Mutha Thumpr series, while the 2,200 to 5,900 RPM operating range is suited to engines built for strong midrange and upper-RPM performance.
As a matched K-Kit, the COMP Cams K31-601-9 helps simplify component selection by bringing together key camshaft and valvetrain parts in one application-focused package. The hydraulic roller design offers a practical solution for compatible Small Block Ford builds, and the included timing set supports accurate camshaft synchronization during assembly. Always verify engine compatibility, cylinder head specifications, piston-to-valve clearance, compression ratio, and installation requirements before purchase and installation.

Features:

• Application: Designed for Small Block Ford engines

• Camshaft Type: Mutha Thumpr hydraulic roller camshaft

• Valve Lift: 0.541 inches intake and 0.526 inches exhaust

• Duration: 291 degrees intake and 311 degrees exhaust

• Lobe Separation: 107 degrees

• Operating Range: 2,200 to 5,900 RPM

• Kit Contents: Camshaft, hydraulic roller lifters, valve springs, and timing set

• Brand and Part Number: COMP Cams K31-601-9