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Columbus
My Store
Open Today At 10am
3635 West Broad Street
Columbus, Ohio 43228
614-869-3115
What’s going on at Cycle Gear
Services
Experienced staff support available on site
Store Events
Meet the local riding community for Bike Nights & more
Shop the Store
Find out what’s in stock and ready to go
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S&S Cycle Cycle 4-3/8" Stroke Flywheel For Harley Twin Cam "A" 2006-2017 Full width wristpin / withou... [Open Box] Instructions

Item Condition: This is a new item that is missing the original packaging or the packaging has been opened. Tags, manuals, or installation instructions may be missing, however the item is fully functional.

S&S Cycle 4-3/8" Stroke Flywheel For Harley Twin Cam

The flywheels are the heart of any performance engine and S&S Cycle has been perfecting the art for over six decades. Stronger, more durable, and trued to a spec others can only dream of. Available with tapered connecting rods for stock style pistons or with full width connecting rods for S&S performance pistons. Three piece design with integral main shafts made from 4140 steel.

Features:

  • 4-3/8" stroke
  • Heavy duty 7.659" connecting rods
  • 8-1/2" diameter flywheel
  • Pinion and sprocket shafts are forged as part of the flywheel
  • CNC machined from heat-treated, closed die, steel forgings, which are 114% stronger than late style stock steel flywheels
  • Dynamically balanced
  • Trued to less than .0005" runout on pinion and sprocket shaft bearing surfaces
  • Capable of higher rpm
  • Fully compatible with gear drive cams
  • Made in the USA
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Please review this product's fitment notes & exceptions prior to purchase: Add to Cart
Fitment Notes & Exceptions
  • Fits 2007-2017 Twin Cam "A" and 2006 Dyna
  • Strokes longer than stock will require S&S Cycle piston oiler set. 2007-up stock rod length is 7.659". Stock pistons in 2007 and later engines require rods with tapered wristpin ends.
  • Tapered wristpin end for stock pistons - Full length wristpin end for performance pistons
  • Flywheel assemblies supplied with sprocket shaft bearing race installed are compatible with stock roller style sprocket shaft bearings. Assemblies with no race require a Timken sprocket shaft bearing.

This Product Fits:


Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Full width wristpin / without sprocket bearing race Item # 10447751 Store SKU Manufacturer Product # 320-0351 Availability Out of Stock
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