1986-1990 Harley-Davidson Sportster / Evolution Lower Tappet Block O-Ring (20 Pack)

These lower tappet block o-rings are engineered to establish a secure seal at the base of the lifter block to eliminate oil leaks at the engine case interface. Constructed from high-grade rubber compounds, these seals are built to endure the rigorous thermal cycles and chemical exposure found in high-performance powerplants. This 20-pack provides a dependable supply of precision-fit components for maintaining peak engine cleanliness and oil pressure.

This part fits 1986-1990 Harley-Davidson Sportster and Evolution Big Twin models.