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S&S Cycle 4" Stroke 3-Piece Flywheel Assembly

Features:

  • Vast improvement over stock flywheels which shift out of true under heavy load
  • Heat-treated 4140 material is 114% stronger than stock, eliminates thrust washer
  • Larger 1.671" crankpin, increased cross-sectional area for increased crank-pin clamping force
  • Harder material, no thrust washers required, where stock flywheels have thrust washers
  • S&S flywheels have steel gripping the crankpin
  • No welding required
  • Integral mainshafts, consistent balance and precision machining, truer flywheels and less vibration, and eliminates two potential points of weakness
  • Reduced mainshaft deflection at high rpm, less vibration, reduced piston and rod side thrusting, prevents oil pump damage, fully compatible with gear drive cams
  • Capable of higher rpm which allows more available power
  • Does not include sprocket bearing race

Note: Strokes longer than stock will require S&S Cycle piston oiler set 424-030. 2007-up stock rod length is 7.659". Stock pistons in 2007 and later engines require rods with tapered wristpin ends.

Note: 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.

Product Style J&P Cycles Item # Catalog Number Store Sku MFR. Product # Availability
Product Style S&S Cycle 4" Stroke 3-Piece Flywheel Assembly For Harley Twin Cam "A" 1999-2002 J&P Cycles Item #1181955 Catalog Number161-907 Store Sku MFR. Product #320-0403 AvailabilityIn Stock: Ships within 24 hours

This product DOES NOT FIT your 2013 Can-Am Outlander 800R XT

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