S&S Cycle 84-99 BT 88in 3 5/8in Big Bore Cylinder & Intermediate Compression Piston Kit - Wblack
88" 3 5/8" Big Bore Cylinder and Intermediate Compression Piston Kit for 1984-'99 Big Twins with S&S® Super Stock® Heads -Wrinkle Black Finish. Stock cases will need to be bored out to 3 5/8".