S&S replacement piston ring set is for a 4-1/8 bore and is .010 oversize. Sold in sets for 2 pistons
UOM: SET
Country Of Origin: USA
Accessory Items:
16-0628 – Piston Ring Installer Plier Tool
16-0622 – Ring-O-Matic Ring Compressor Tool Kit
16-1164 – Piston Pin Support Plate