Motion Pro, Pro Plug Socket™ 21mm spark plug socket - 989964 Kibblewhite Precision Machining custom valve

Kibblewhite Precision Machining custom valve stem seals are a quality product and suitable for any and all custom application

diameter of this plug in the middle of the plug

non-dimpled

Like a good pair of boots

Steel crash bar manufactured from stock 1-1/4" diameter tubing

Motion Pro, Pro Plug Socket™ 21mm spark plug socket - 989964 Kibblewhite Precision Machining custom valve21mm socket, for most 14mm threaded spark plugs. Used with a 3 8" square drive or 17mm wrench. Allows a fixed or up to a 15 angle swivel drive when used with the 567325 optional wobble extension bar. The wobble extension is used to gain better (angled) access to hard to reach places.