s s 110 sidewinder big bore kit for harley twin cam temp1421 By City Roadster III Integral

By City Roadster III Integral Motorcycle Helmet

ECE-approved

88-90 FJ 1200 1200cc

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

if you have it installed on your bike

s s 110 sidewinder big bore kit for harley twin cam temp1421 By City Roadster III IntegralS&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