S&S Cycle 910-0642 100" Sidewinder Big Bore Kit for 1999-'06 HD® Big Twin Models - Silver Wine Glasses Don't miss out - hard-wire

Don't miss out - hard-wire kit included

Note: Requires ProGLOW™ Bluetooth Controller

get the bell that rings true to who you are and where you belong: the customized House of Harley-Davidson® Silver-Tone Ride Bell

High performance black oiled cotton air filter

That's how you know a real dirt track racer

S&S Cycle 910-0642 100" Sidewinder Big Bore Kit for 1999-'06 HD® Big Twin Models - Silver Wine Glasses Don't miss out - hard-wireS&S Cycle 910 0642 Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. 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! Features & Benefits