SAVE YOUR BATTERY & STARTER MOTOR .. being overworked, use compression release valves with 12mm x 1.25mm adapter for 10mm x 1mm Harley size valves
- Fitted these into our Revtech 100" ... Sold individually.. EACH
- £36.40
We have fitted these into our RevTech engine with 12mm x 1.25 pitch thread ( that is blanked off ) located at the opposite side of the spark plug position on the heads.
![IMG_3381[1]](https://sites.create-cdn.net/siteimages/26/6/5/266547/17/5/3/17532263/750x1000.JPG?1563792151 "IMG_3381[1]")
![IMG_3382[1]](https://sites.create-cdn.net/siteimages/26/6/5/266547/17/5/3/17532283/750x1000.JPG?1563792599 "IMG_3382[1]")