049025 Moly Piston Rings Set 3 5 8 Std 5 64

Hastings manufactures these piston rings as the original equipment supplier for Harley-Davidson, ensuring they meet the exact specifications used on factory motorcycles. Each ring face is pre-lapped to facilitate faster seating during the initial break-in period. The design features the exclusive Flex-Vent oil control ring, which simplifies installation by eliminating specific orientation requirements. This open-design oil ring provides significantly greater drainage capacity compared to standard designs while maintaining uniform pressure against the cylinder walls. These rings are essential for engine rebuilds or top-end refreshes, providing reliable oil control and compression sealing. This product is sold as a set.