Butler Pontiac 389 Rebuild Kit, Cast 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.

389 Rebuild Kit Standard

Include: Pistons and Ring Kit in Flat Top in .030 over, .040 over, or .060" Over

5/64 5/64 3/16 rings

Flat Top (-3.5cc) with an estimated CR of 68cc -11.1-11.3, 72cc -10.7-10.9 (MUST USE HIGH OCTANCE FUEL)

Dish Top (-17cc) in only .058" over CR of 68cc -9.7-9.9, 72cc -9.3-9.5

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