Hastings +.005″ Moly Piston Rings Fits 1340/1200cc Evo Sportsters

Description

The Hastings moly-faced piston rings are designed for durability and enhanced heat resistance. These rings feature a reverse torsional taper face second ring and a three-piece oil ring for improved performance. They are available in a .005″ oversize and are suitable for various Harley-Davidson models, including: – **Late 1200cc:** Hastings #6482 replacement rings for 74″ OEM pistons, standard bore 3.438″. – **Early 1340cc Shovelhead:** Hastings #6127 replacement rings for OEM pistons, standard bore 3.498″, with 3/16″ oil rings and 1/16″ compression rings. Fits 78-E83 FL and 79-E82 FX. – **Late 1340cc Evolution:** Hastings #6164 replacement rings for OEM pistons, standard bore 3.4978″, with 5/32″ oil rings and 1/16″ compression rings. Fits L84-99 Evolution Big Twin. – **Twin Cam 88 (1450cc):** Hastings #2M4942 for OEM pistons, bore 95.25mm (3.750″), with 3.0mm oil rings and 1.5mm compression rings. Fits 99-06 Twin Cam. – **Twin Cam 95 (1550cc):** Hastings #2M4941, bore 98.43mm (3.875″), with 2.5mm oil rings and 1.5mm compression rings. Fits 99-08 Twin Cam. Each set includes rings for two pistons.