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S&S CYCLE Twin Cam 'B' Flywheel Assembly (Part #320-0355) - 4-3/8 inch, No Sprocket Bearing Race
Regular price $1,794.95 USD
Category:
Flywheel Assembly - 4-3/8" - w/o Sprocket Bearing Race - Twin Cam "B" '99-'06
The S&S CYCLE Flywheel Assembly, part number 320-0355, is designed for Twin Cam 'B' models from 1999 to 2006. Crafted from high-strength 4140 steel, this 3-piece flywheel with integral main shafts offers exceptional durability and performance. Featuring a larger 1.671-inch crankpin, it ensures reliable power transfer and smooth operation. This assembly is built specifically to fit directly into stock crankcases without the need for modifications, simplifying installation and maintaining factory alignment. Made in the USA, this flywheel assembly provides a robust solution for enthusiasts seeking quality and longevity in their motorcycle components. Suitable for use with Timken bearing conversions (sold separately), the design omits the sprocket bearing race for compatibility with custom or upgraded bearing setups.
Features:
- Constructed from high-strength 4140 steel for maximum durability
- Includes a larger 1.671-inch crankpin for improved power transfer
- Designed as a 3-piece flywheel with integral main shafts for added strength
- Fits directly into stock crankcases without modifications
- Made in the U.S.A. ensuring quality and reliability
- Compatible with Timken bearing conversions (sold separately)
- Flywheel assembly without sprocket bearing race for custom bearing setups





