- Ideal for high-performance engine building
- Abrasive impregnated nylon bristles
- Does not enlarge more, but removes microscopic peaks and scuffs left after honing
- Gives a superior plateau finish
- Safe for use in 2-cycle engines
- Designed for plated, cast iron bores
Stevebilt's spark plug gap tools offer consistent plug gaps. All you need to do is insert a spark plug in the rapper tool, insert the feeler gauge and gently turn the T handle until the feeler gauge is snug.