Function: This camshaft holding tool kit is used to hold the camshaft in right position. Applicable Engine: Compatible with GM Opel Saab Cadillac Buick Chevrolet Pontiac 2.8L 3.0L 3.6L V6 engine, engine code: LP1, HFV6, A30XH, Z32SE, Z28NET, Z28NEL, A28NER, B284E, and B284L.