MidUSA
POWER HOUSE COMPRESSION RELEASE VALVES FOR HIGH COMPRESSION ENGINES
$18.40
- Designed to lower the compression for the purpose of reducing extreme pressure imposed on the starter motor and battery
- Simply push the caps down to open the release valves, start the engine, and the valves will close by themselves
- These valves require head removal and installation next to the spark plug by a qualified machinist
POWER HOUSE
Valve (Each)
10mm x 1.0 thread pitch, 1 13/32" overall length with 10mm thread length