Jims Compression Release Valve Kit for Harley Davidson

10 x 1.0mm threaded mechanical compression release valves, for most cylinder heads.
Press the button and the pressure will be released from the valve.
When the engine starts, the valves close automatically.
Designed for high compression engines with difficult starting.
Note: MCS Threading Tool 978425 (10 x 1.0 mm) and Drill Setting Tool 978424 are available separately to facilitate installation on Twin Cams.
Sold in pairs
Replaces OEM: 32076-04, 29298-02
Made in the USA

Compatible with: > All BT, XL and Buell XB models