110" Sidewinder Big Bore Kit for 2007-'17 HD® Big Twin Models - Silver SUPER BRIGHT HALO RINGS Dual Piston Seals for leak

Dual Piston Seals for leak proof operation

and it has an H-D electrical connection for simple installation

these fender spacers are CNC cut from solid billet 6061 T-6 Aluminum

GL 1800 All TRIKE KIT MODELS 6 degree Lehman Trikes GL 1800 All TRIKE KIT MODELS 6 degree Motor Trike GL 1500

Machined with the S&S® 4" cylinder stud pattern

110" Sidewinder Big Bore Kit for 2007-'17 HD® Big Twin Models - Silver SUPER BRIGHT HALO RINGS Dual Piston Seals for leakInspired 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 Low friction Ductile