Part Number: 11-0168 Manufacturer: Hastings UOM: 2 - PK Summary:Hastings piston ring set is for a 3" bore and .020 oversize. Features moly top compression rings with a size of 1.5mm and chrome oil rings with the size of 2.8mm. Sold as a pair for 2 pistons. Size: .020 Fitment: XL 1986-1987 Country of Origin: USA