Screamin Eagle Pro Stroker Flywheel & Rod Kit 4-3/8"

These Stroker flywheels provide 103 or 113 cubic inches of raw power for your Twin Cam engine, by increasing your stock stroke from 4.0" to 4-3/8" and adding the appropriate pistons and cylinders. The flywheels and rods are made from high-strength forgings. The assembly makes use of the Original Equipment (straight press) crankpin and bearings, which mean you get proven durability. Fits Harley-Davidson Dyna '06-17 & Touring '07-16. Works with Piston Kits P/N 21915-08A, 21914-08A, 21928-08A, 21916-08A, 22571-07A, 22575-07A, 22137-08A, 22141-08A, 22942-00, 22944-00, 22144-08A, 22143-08A. 03-06 models require installation of Bearing Assembly P/N 24004-03B. Stroker installation requires Big Bore Stroker Pistons and Big Bore Cylinders. All EFI models require ECM calibration (priced separately).