Overview of JIMS Manual Compression Release Valves - 727K
- Install these in your high-compression, big-inch motor and give your starter some help
- Install by simply drilling and tapping each cylinder head and thread in the self-sealing release valves; thread tapping tool Part No. H28-053 sold separately
- Can be installed in all Big Twin, XL and Buell motors
- Made in the U.S.A.
Specs for JIMS Manual Compression Release Valves - 727K
||Compression Release Valve
Alternate/OEM Part Number(s):