Sonnax drop in .420" plug kit. Helps to eliminate side loading of the plugs, which can cause a P0871 code, cross leaks, and even burnt clutches. Please inspect bore for wear and/or ridges.
**This will not fix an overly worn bore**
Sonnax drop in .420" plug kit. Helps to eliminate side loading of the plugs, which can cause a P0871 code, cross leaks, and even burnt clutches. Please inspect bore for wear and/or ridges.
**This will not fix an overly worn bore**