Does it fit your motorcycle?
Look it up by licence plate or VIN, or choose your model.
Confirmed compatible · Position:
This part doesn't fit your bike. See parts that fit
Fits most motorcycles
Not model-specific. Check dimensions and specifications in the description before ordering.
Chosen by size, not by model
The size is printed on the tyre sidewall, e.g. 120/70 ZR17, and in your registration document.
Checking fitment…
Fitment check unavailable
Jims Compression Release Valves – Engine
Product info
- Item number
- 750300
- Position
These Jims release valves make starting your engine effortless by venting cylinder compression with just the push of a button. This is a good alternative for Heavy Duty starter motors and high amp batteries on any Sportster, Buell or Big Twin. The heads have to be drilled and tapped with 10mm thread. Use the ZPN750314 fixture guide tool to install these compression release valves in Twin Cam cylinder heads. Jims compression release valves are sold in sets of 2.
Jims compression release valves
Jims M10x1.0 compression release valves
- Category: Decompression Valves
Free shipping to a GLS parcel shop or parcel box on orders over €200.
We ship your order as quickly as we can. Orders are usually packed within 24 hours on weekdays.
You have a 14-day right of return. Read more
4.8 out of 5 on TrustpilotRead our reviews →
Certified e-mærket web shop
