S&S Cylinders and Pistons - 80" - Low Compression for Harley Touring, FX Big Twin & Vintage

The S&S Cylinders and Pistons give you a precise, durable fit for a strong, healthy top end. They are made from cast iron.

Fits Harley-Davidson Touring (1979-1984), FX Big Twin (1978-1984) and Vintage (1979-1980) models. Check the fitment chart below to confirm your exact year and model.

• Intended to replace the cylinders and pistons of a 80" Shovelhead engine and maintain the stock compression ratio of 8:1
• Compatible with stock or S&S cylinder heads
• Includes S&S 3.5" bore high tensile cast iron cylinders, 3.5" bore forged standard compression pistons for 80" (4.25" stroke) engines with rings and wristpins, head gaskets, S&S stainless steel bolts with washers, base nuts and base gaskets
• Made in the U.S.A.