Hastings Cast Rings for Twin Power Pistons - E. 1340Cc Cast Rings .030

E. 1340Cc Cast Rings .030

• Size: +.030"
• UPC: 075538114000

The Hastings Cast Rings for Twin Power Pistons are precision-engineered replacement piston rings, designed for specific 1340cc applications. These sets include durable cast iron compression rings and three-piece flex-vent oil rings, ensuring reliable performance across various models and years. Key Features: - Reverse torsional taper face second ring for improved sealing. - Spiral-on three-piece oil rings for ease of installation. Specifications: - Fits specific 1340cc engines, including Shovelhead and Evolution models. - Designed for a .030" oversize bore (standard bore: 3.498"). - Compression rings: 1/16". - Oil rings: 3/16" or 5/32" depending on application. Applications: - Early 1340cc Shovelhead: Fits 1978-early 1983 FL and 1979-early 1982 FX models. - Late 1340cc Evolution: Fits late 1984-1999 Evolution Big Twin models. These ring sets are compatible with Twin Power pistons and select OEM applications, offering dependable performance for vintage and modern engine setups.