98" 3-5/8" Big Bore Cylinder and Piston Kit for S&S SH98 Engines or 1966-84 HD® Big Twins With S&S 98" Sidewinder Kit - Gloss Black Finish CHIN SPOILERS - BAD DAD TOURING if you already have a

if you already have a larger throttle body and EFI tuner

Massive 14" diameter increases braking performance by adding more leverage to your front braking system

silicone them in place and wire them up

Our Yafterburner Ignition Switch Cover is available for model years 2006-2013 and is easy to install

Available sizes: 18″

98" 3-5/8" Big Bore Cylinder and Piston Kit for S&S SH98 Engines or 1966-84 HD® Big Twins With S&S 98" Sidewinder Kit - Gloss Black Finish CHIN SPOILERS - BAD DAD TOURING if you already have aThis 3 5 8" big bore kit may be used to replace the cylinders and pistons of an S&S SH98 engine or a stock HD shovelhead engine that has been upgraded with an S&S 98" Sidewindert kit. Stock crankcases must be bored to accomodate the 3 5 8" bore cylinders. The kit includes S&S 3 5 8" bore cylinders, 3 5 8" bore forged pistons with rings and wristpins, head gaskets, base gaskets, exhaust gaskets, and instructions. Compression is 8. 9 : 1. The cylinders