Mancini Racing Valve Spring Tool

Fits: 5.7L, 6.1L, 6.2L, & 6.4L/392 G3 HEMI Engines

This new GEN 3 HEMI Valve Spring Changer is an innovative tool for Late Model HEMI engines that allows you to change valve springs with the cylinder heads on the engine.

Perfect for track days, test ‘n tune, or preventive maintenance while at the drag strip.

This Valve Spring Tool is fully CNC machined and comes Hard Anodized for long life

Check out the installation videos below