Hastings Cast Piston Rings +.030" for 1200cc Twin Power Pistons

• Size: +.030"
• UPC: 075538084129

Hastings Cast Rings for Twin Power Pistons are designed for durability and performance in specific motorcycle applications. These ring sets include cast iron compression rings and three-piece flex-vent oil rings for most models, except early 1200cc applications, which use a one-piece cast iron oil ring. The sets are designed to fit two pistons. - **Late 1200cc Models:** Compatible with FL, FLH, FXE, and OHV motorcycles from 1955-1980. Features 1/16" compression rings. Standard bore: 3.438". - **Early 1340cc Shovelhead Models:** Compatible with FL (1978-E1983) and FX (1979-E1982). Features 1/16" compression rings and 3/16" oil rings. Standard bore: 3.498". - **Late 1340cc Evolution Models:** Compatible with L1984-1999 Evolution Big Twin motorcycles. Features 1/16" compression rings and 5/32" oil rings. Standard bore: 3.498". The rings utilize a reverse torsional taper face for the second ring and an easy "spiral-on" design for the three-piece oil rings, ensuring reliable performance and ease of installation. Perfect for maintaining or upgrading your motorcycle's engine.