Jims "On Bike" Valve Spring Compressor Tool for Harley M8

Leave the cylinder head on the bike and swap your springs. Save time doing the job.

Fits: Harley M8 Engines

• Once the cylinder is filled with compressed air, the technician can easily rotate the tool and compress the top collar of the valve spring exposing the keepers to remove the top collar, valve spring, and sea
• Simply remove the rocker box covers and rocker arms, and install this unique compressor on the rocker arm shaft
• Designed for Milwaukee-Eight® engines