SKU:11-0474
Upgrade your Harley shovelhead with a reliable rear cylinder crafted to fit classic Big Twin and FX models from 1978 through 1984. The Motorshop 80 Inch Rear Cylinder is a rear replacement cylinder designed to pair with your existing piston and engine assembly, sold individually without a piston.
Constructed in Taiwan from cast iron, this cylinder maintains durability and consistent heat resistance under riding conditions. It preserves a piston-to-wall clearance of approximately 0.0025 to 0.003 inches for optimal performance and longevity.
Designed to work with Colony 12-point Head Bolts and black or chrome cylinder base nuts. Recommended hardware: #8714-20 or #8618-20 12-point head bolt sets; #8600-8 or #8601-8 Hi-Torque cylinder base nuts. This ensures secure fit and helps prevent leaks during operation.
The cylinder is a direct replacement for OEM part number 16586-78. It pairs well with common engine-building accessories such as the Ring-O-Matic Ring Compressor Tool Kit (SKU 16-0622) and Pushrod Cover Clip Tool (SKU 16-1728) to streamline assembly.
For restoration or rebuild projects, this Motorshop 80 Inch Rear Cylinder offers a durable, OEM-referenced option that aligns with classic shovelhead specs and OEM compatibility, helping you maintain original performance characteristics.
GME 80 inch rear replacement cylinder for 1979-1985 Shovelhead models.Upgrade your Harley Davidson shovelhead engine with the Motorshop 80 Inch Rear Cylinder, designed specifically for models from 1978 to 1984. This replacement component is crafted to fit the classic Big Twin and FX series, offering reliable performance and easy installation. The cylinder is sold individually without a piston, giving you flexibility to match your existing parts or upgrade your engine assembly. Constructed in Taiwan with high-quality materials, this cylinder ensures durability and consistent performance on your motorcycle.
Features include compatibility with Colony 12-point Head Bolts and black or chrome cylinder base nuts, which provide extra clearance for tightening during installation. The cast iron construction maintains a piston-to-wall clearance of approximately 0.0025 to 0.003 inches, critical for optimal engine performance and longevity. To facilitate proper assembly, it is recommended to use the #8714-20 or #8618-20 12-point head bolt sets and the #8600-8 or #8601-8 Hi-Torque cylinder base nuts. These accessories ensure secure fitting and help prevent leaks or failures.
This cylinder is a direct replacement for OEM part number 16586-78 and fits various Harley Davidson models including FL and FX series from 1978 to 1984. Whether you are restoring a vintage motorcycle or performing a rebuild, this component provides a dependable solution that meets OEM standards. Additionally, it pairs well with accessory items such as the Ring-O-Matic Ring Compressor Tool Kit (SKU 16-0622) and the Pushrod Cover Clip Tool (SKU 16-1728), making your engine assembly process smoother and more efficient. Invest in the Motorshop 80 Inch Shovelhead Rear Cylinder for optimal performance and durability in your classic Harley Davidson motorcycle.
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