s s 110 sidewinder big bore kit for harley twin cam temp1421 For 512731

For 512731

For driver or passenger pegs

Stiffer carcass thanks to structure stiffening and high belt tension

Note: Will not fit 06-20 XL 1200 Custom which is equipped with extended risers

High levels of on and off-road performance

s s 110 sidewinder big bore kit for harley twin cam temp1421 For 512731S&S 96 103" to 110" Sidewinder Big Bore Piston & Cylinder Kit for Harley Davidson Twin Cam Upgrade to the biggest bolt in big bore kit S&S makes for 2007 2017 Harley Davidson Twin Cams. These bolt in kits do not require machining, rebalancing or engine removal, and include just about everything youll need to complete the installation. The biggest cylinder bore that can be installed in a stock crankcase without machining! Just swap the stock cylinders