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1966-'84 big twins with small diameter flywheels
We build our big bore kits and cranks to much tighter tolerarances and with higher quality materials than the factory parts
robust sound that can conquer any background noise
and the lid is finished in a smooth
13-17 FXSB/SE
Replacement 3-7/8" Bore Cylinder & Piston Kit For S&S 106" Stroker Kits For 1999-'16 Big Twins. - Wrinkle Black Finish STRETCHED TANKS - BAD DAD SOFTAIL 1966-'84 big twins with smallThis cylinder and piston kit for S&S 106" stroker kits may be used to replace the stock cylinders, when building a 106" stroker engine. Also handy for repair of an existing 106" stroker engine. Cylinders are finished with a durable wrinkle black powder coat that matches the stock engine finish. Kit includes S&S 3 7 8" bore cylinders and forged stroker pistons for 4 1 2" stroke flywheels, rings, wrist pins, and head and base gaskets. For best
