.030 over Hypereutectic Pistons & Moly Rings Combo compatible with 1996-2002 Chevy 350 Vortec 5.7L engine. 4.030″ bore diameter

About this item Compatible replacements for 1996-2002 Chevrolet GMC Trucks with the 5.7L Vortec VIN Code “R” For Engines Bored .030″ Over sizes or 4.030″ Bore Dish with 4 valve relief. Lock rings for floating pins not included. Chevrolet 350ci V-8 Vortec – 4.030″ bore Diameter