Moly Rings for Big Twins - L. 1200Cc Moly Rings .020

L. 1200Cc Moly Rings .020

• Size: +.020"
• UPC: 075538084297

Hastings Moly Piston Rings for Harley-Davidson Big Twins These high-performance moly-faced piston rings offer excellent durability and heat resistance. Designed as direct replacement rings for OEM pistons, they ensure reliable performance and longevity. The set includes rings for two pistons and features a three-piece oil ring design for improved sealing. **Fitment:** - **Late 1200cc**: Hastings #6482, standard bore 3.438". Fits 1955-1980 Big Twin. - **Early 1340cc Shovelhead**: Hastings #6127, standard bore 3.498", 3/16" oil rings, 1/16" compression rings. Fits 1978-Early 1983 FL; 1979-Early 1982 FX. - **Late 1340cc Evolution**: Hastings #6164, standard bore 3.4978", 5/32" oil rings, 1/16" compression rings. Fits Late 1984-1999 Evolution Big Twin. - **Twin Cam 88 (1450cc)**: Hastings #2M4942, bore 95.25mm (3.750"), 3.0mm oil rings, 1.5mm compression rings. Fits 1999-2006 Twin Cam. - **Twin Cam 95 (1550cc)**: Hastings #2M4941, bore 98.43mm (3.875"), 2.5mm oil rings, 1.5mm compression rings. Fits 1999-2008 Twin Cam. These rings feature a reverse torsional taper face second ring for improved sealing and efficiency, along with easy "spiral-on" installation. Perfect for rebuilding or upgrading Big Twin engines.