S&S Cycle Flywheel Assembly - 4.5 Inch Stroke, Tapered Wrist Pin, 114/117 Inch Displacement - Part #320-0598

Product type: Bottom End Components

SKU : 0922-0163

Regular price $1,995.95 USD

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Flywheel Assembly - 4-1/2" Stroke - Tapered Wrist Pin - 114"/117" M8 The S&S Cycle Flywheel Assembly with part number 320-0598 is...

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Flywheel Assembly - 4-1/2" Stroke - Tapered Wrist Pin - 114"/117" M8

The S&S Cycle Flywheel Assembly with part number 320-0598 is designed for high-performance gear drive camshafts, ensuring consistent balance and precise machining for optimal engine operation. Constructed from heat-treated 4140 steel, this assembly is significantly harder and twice as strong as stock components, providing enhanced durability and longevity. The assembly includes a flywheel, crankpin, and connecting rods, all engineered with Finite Element Analysis (FEA) to eliminate weak spots and maximize strength. The balanced gear is installed for easy setup, and the strong assembly design eliminates the need to weld the crankpin, simplifying installation and maintenance.

This assembly features a 4.5-inch stroke with tapered wrist pin, suitable for engines with displacements of 114 and 117 inches, and is made in the USA. It is ideal for use with S&S cylinders and pistons, offering reliable performance for custom motorcycle builds. Please note that this flywheel assembly is not recommended for compression ratios higher than 10.0:1 on Tri Glide or other three-wheel models, including conversions. Designed for enthusiasts seeking durability, precision, and performance, this assembly provides a robust solution for high-performance engine applications.

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