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S&S CYCLE Flywheel Assembly with 4-3/8 inch Stroke and Tapered Wrist Pin for 107 inch M8 Engines, Part Number 320-0601
Regular price $1,995.95 USD
Category:
Flywheel Assembly - 4-3/8" Stroke - Tapered Wrist Pin - 107" M8
The S&S CYCLE Flywheel Assembly (Part Number 320-0601) is designed for high-performance applications on 107 inch M8 engines. Engineered for gear drive camshafts, this assembly ensures consistent balance and precision machining, which are critical for smooth engine operation and longevity. The balance gear is installed for easy setup, reducing installation time and ensuring optimal alignment. Crafted from heat-treated 4140 steel, the flywheel assembly offers increased hardness and twice the strength of stock components, providing enhanced durability under demanding conditions. The assembly includes a flywheel, crankpin, and connecting rods, all designed with Finite Element Analysis (FEA) to eliminate weak spots and improve overall engine reliability.
Features:
- Designed for gear drive camshafts for optimal performance.
- Consistent balance and precision machining ensure smooth operation.
- Balance gear is pre-installed for easy installation.
- Made from heat-treated 4140 steel for increased durability and strength.
- Includes flywheel, crankpin, and connecting rods for complete assembly.
- Components engineered with Finite Element Analysis (FEA) to eliminate weak spots.
- Suitable for engines with a displacement of 107 inches, with S&S cylinders and pistons.
- Made in the USA for quality assurance.





