This listing is for an engine re-ring kit for 1996-2002 Chevrolet/GMC models with the 5.7L (350ci) Vortec-series VIN-"R" V-8 engine. VIN refers to the 8th character in vehicle ID number in lower drivers dash. Contains Victor Gaskets, King Engine Bearings, and Perfect Circle Rings. This is a Standard/Stock Size Kit. We offer Oversize Pistons, Rings, Rods and Mains at no extra cost. PLEASE EMAIL US THE BORE SIZE AND BEARING SIZES YOU NEED WITH YOUR ORDER, OTHERWISE YOUR, KIT WILL SHIP WITH ALL STANDARD SIZES.