MANUAL COMPRESSION RELEASE VALVES FOR HARLEY-DAVIDSON

JIMS MANUAL COMPRESSION RELEASE VALVES FOR HARLEY-DAVIDSON Manual Compression Release Valve Give your starter a hand by installing these in your high-compression, big-inch engine

Simply drill and tap (10mm x 1.0mm) each cylinder head and thread in the self-sealing release valves (thread tap PART #DS-196409 available separately)

Sold in pairs

Made in the USA

MANUAL COMPRESSION RELEASE VALVES