Engine Service

Locks Camshaft Sprockets in Place During Belt / Chain Replacement. This versatile tool easily locks and holds both camshaft sprockets firmly in place. Unique design uses knurled pins to hold against the inside of the cam sprockets. The two parallel bars \"float\" which allows the knurled pins to align with the sprockets. Preserves the engine timing during belt or chain replacement. *Works on belt- not chain *Won't fit on new Ford *3.4 V6 engine needs 2 *4.36 sm liter needs 2 *4\" long *1 1/2\" extension *2 3/4\" pin