Butler Pontiac 455 Rebuild Kit Cast, Hypereutectic Pistons

All the guesswork is finished when you choose one of the Butler Rebuilder Kits. These kits include Butler selected parts that work together to rebuild your Pontiac to better than new condition. 455 Rebuild Kit Standard Include: Pistons and Ring Kit in Flat, Dish, and Dome Top in .030 over, .040 over, or .060" Over Flat Top (-6cc) with an estimated CR of 72-11.89, 87-10.28, 96-9.53 Dish Top (-30.5cc) with an estimated CR of 72-9.5, 87-8.498, 96-7.99 Dome Top (0cc) with an estimated CR of 72-12.7, 87-10.86, 96-10.02 Federal Mogul Main Bearings in Standard, -.010, -.020 Size Federal Mogul Rod Bearings in Standard, -.010, -.020 Size Best Complete Gasket kit with Rear Main Seal and Oil Pan Gasket Options Option to add a new Cast or Forged Crank