S&S Cycle

S&S Cycle 4" Stroke Flywheel For Harley Twin Cam

Item: P921434
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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 true… Read More

Current price is from $1,744.95$1,795.95 Price depends on fitment. Select your vehicle to continue.
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Product Details

S&S 4" 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" stroke
  • Heavy duty connecting rods
  • 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
Made in the USA
Please review this product's fitment notes & exceptions prior to purchase: Add to Cart
Fitment Notes & Exceptions
  • This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only.
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