This is a GN1Performance "CAMSHAFT KIT" for a 1986 or 1987 Buick Grand National, T Type, Turbo T, or GNX 3.8 liter turbo V6. This kit comes complete with a Isky 208/208 camshaft on a 112 lobe center which gives a smooth idle and works great with a stock converter or a 9" 2800-3000 stall. This camshaft is capable of going well into the 10's. Kit also comes with Edelbrock true rolling-timing chain set and a set of seal power lifters.