Fits :
Chevrolet & GMC 4.3L V6 1987 - 1994 Engines without balance shaft. Engines with roller follower camshaft
Chevrolet & GMC 5.0L V8 1987 - 2002 Engines with roller camshaft.
Chevrolet & GMC 5.7L V8 1987 - 2002 Including "R". .405" wide sprockets. Engines with roller camshaft.
Includes :