Want the strongest foundation for your Twin Cam® engine? Let us supply you with a new S&S® crankshaft assembly. Completely redesigned for 2014, these crankshafts are manufactured from heat-treated 4140 steel material that is 114% stronger than the stock flywheel material. To minimize the possibility of wheel shifting and fl ex, the new 1-piece integral flywheel/shaft halves are now assembled with a larger diameter 1.671” crank pin for a 5% gain in cross-sectional area that results in increased clamping force. Lighter weight connecting rod forgings allow higher rpm capabilities and have 20 rod rollers (vs. 18 stock) for increased strength and durability. These new features keep these wheels running true and eliminate the need for additional labor and welding to prevent the dreaded flywheel shifting!

‘A’ style crankshafts fit Touring and Dyna® model engines; ‘B’ style crankshafts fit Softail® model engines. Items marked with a “*” do not fit 2006 FXD® models, use 2007-Up models for 2006 FXD®.

Weight 1 lbs
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