4 1/8" Low Compression Bore Cylinder & Pistons Kit for 124" Hot Set Up Kit® For 1999-'06 Big Twins With Stock Cylinder Heads - Wrinkle Black Powder Coat FInish Headlight-Bucket Supports Bluetooth and MP3 devices

Supports Bluetooth and MP3 devices

53-238 Twin Tuner fuel injection controller

Add instant attitude to your Bagger with the latest addition to our front fender line

Hardware and simple instructions are included

4 1/8" Low Compression Bore Cylinder & Pistons Kit for 124" Hot Set Up Kit® For 1999-'06 Big Twins With Stock Cylinder Heads - Wrinkle Black Powder Coat FInish Headlight-Bucket Supports Bluetooth and MP3 devicesThis big bore cylinder and piston kit contains S&S 4 1 8" bore cylinders and forged pistons, rings, wrist pins, head and base gaskets. Pistons are dished dome design intended for use with stock cylinder heads. The cylinders are machined with the stock bolt pattern and are intended for use in stock crankcases of 1999 '06 big twin engines. Designed for 4 5 8" stroke flywheels, resulting in 124" displacement. Cylinder finish is a durable wrinkle black