The Lisle Corporation 4-pc Timing Tool for GM, No. 37530, is designed for use when servicing the timing chain on GM 2.8, 2.9, 3.0, 3.5, 3.6, 3.7, and 4.2L engines. It helps to ensure camshaft alignment during timing chain removal and installation. Plates one, two, and three work on 2.8L, 3.0L, and 3.6L high feature V6 engines.
Plate four works on ’04-’07 2.8L, ’07-’12 2.9L, ’04-’06 3.5L, ’07-’12 3.7L, and ’02-’08 4.2L in-line four, five, and six cylinder engines.
