S&S 91-9021 80 Inch Shovelhead Cylinder Set for Harley FL/FX

Upgrade your Harley’s Shovelhead with the S&S Cycle 91-9021 cylinder set. These cast iron cylinders are stock length and include base nuts, head bolts, and head and base gaskets, designed for 1978–1984 FL and FX models. The 3-1/2 inch bore is configured for an 80 inch Shovelhead engine, delivering reliable performance for restoration or upgrade projects.

Made in the USA, these cylinders provide precise fitment for restoring or enhancing your motorcycle’s engine. The high-quality materials used in manufacturing contribute to improved heat dissipation and engine efficiency under demanding conditions. The set ships as a complete package, simplifying installation with all necessary cylinders included in one order.

• Bore diameter: 3-1/2 inches; designed for 80 inch Shovelhead engines
• Compatibility: Fits 1978–1984 Harley Davidson FL and FX models
• Includes: base nuts, head bolts, head gaskets, base gaskets
• Complete set: ready for engine rebuild or upgrade
• Accessory items included: Ring-O-Matic Ring Compressor Tool Kit (SKU 16-0622); Pushrod Cover Clip Tool (SKU 16-1728)
• Country of origin: Made in the USA

Whether restoring a classic Harley or upgrading an existing engine, this cylinder set provides the solid foundation you need for power and longevity.

S&S cast iron cylinders for Shovelhead models are stock length and include base nuts head bolts and head and base gaskets.

Upgrade your Harley Davidson 80 inch Shovelhead engine with the S&S Cycle 91-9021 cylinder set, designed specifically for 1978-1984 FL and FX models. These cylinders feature a compact 3-1/2 inch bore diameter, providing reliable performance and durability for vintage Harley enthusiasts. Crafted in the USA, this set ensures quality construction and precise fitment for restoring or enhancing your motorcycle’s engine. The cylinders are ideal for rebuild projects or performance upgrades, offering a perfect balance of power and longevity.
This cylinder set is shipped as a complete set, making installation straightforward and efficient. The high-quality materials used in manufacturing contribute to improved heat dissipation and engine efficiency, helping your motorcycle run smoothly under demanding conditions. Whether you're restoring a classic Harley or upgrading your existing engine, these cylinders are a reliable choice for ensuring optimal performance.
Included with this set are essential accessory items: the Ring-O-Matic Ring Compressor Tool Kit (SKU 16-0622) and the Pushrod Cover Clip Tool (SKU 16-1728), which facilitate proper installation and maintenance. Designed for a precise fit on 1978-1984 Harley Davidson FL and FX models, these cylinders provide the perfect foundation for a powerful and dependable engine rebuild or upgrade. Trust S&S Cycle to deliver quality parts that meet the highest standards of craftsmanship and performance.

Features:

• Bore diameter: 3-1/2 inches, designed for 80 inch Shovelhead engines

• Compatibility: Fits 1978-1984 Harley Davidson FL and FX models

• Country of Origin: Made in the USA for quality assurance

• Complete set: Includes all necessary cylinders for engine rebuild or upgrade

• Accessory Items: SKU 16-0622 - Ring-O-Matic Ring Compressor Tool Kit, SKU 16-1728 - Pushrod Cover Clip Tool

Fitment:
Harley Davidson FL 1978
Harley Davidson FL 1979
Harley Davidson FL 1980
Harley Davidson FL 1981
Harley Davidson FL 1982
Harley Davidson FL 1983
Harley Davidson FL 1984
Harley Davidson FLT 1979
Harley Davidson FLT 1980
Harley Davidson FLT 1981
Harley Davidson FLT 1982
Harley Davidson FLT 1983
Harley Davidson FX 1978
Harley Davidson FX 1979
Harley Davidson FX 1980
Harley Davidson FX 1981
Harley Davidson FX 1982
Harley Davidson FX 1983
Harley Davidson FX 1984
Harley Davidson FXR 1982
Harley Davidson FXR 1983