Piston Set 3-9/16" Bore High Compression Sportster

[S&S Cycle 920-0071 Piston Set 3-9/16 Bore High Comp Sportster Engine Parts Plot]
■Product Description This 1250cc conversion piston for HD Sportster models increases the displacement of 883cc and 1200cc engines to 1250cc with an 11.2:1 compression ratio. It can be used with stock 1200cc cylinder heads, but S&S's CNC ported heads are recommended. Stock 1200cc cylinders and 1986-2003 883cc cylinders are compatible with the 3-9/16 inch bore 1250cc piston. It cannot be used with 2004-16 883cc cylinders. A cylinder and piston kit is also available. ■Compatible models HarleyDavidson Sportster family (86-21) ■Specifications Type: High Comp Material: Forged aluminum Accessories: Piston pin, piston rings ■Notes *The image is for illustration purposes only. It includes products with different sizes and colors. Product design and specifications are subject to change without notice. Please be aware of this.