Std Flat Top Pistons with 10.0:1 Compression Ratio. Fits Twin Cam 2007-2017 with 103ci Engine & also Converts Twin Cam 2007-2017 96ci Engine to 103ci. - Keith Black Pistons Custom or Universal Solo Seats High quality “moto centric” zippers

High quality “moto centric” zippers with metal Burly embossed button snaps and accents as well as an “Anti-Flail Snap System” keep everything secure

and connectors included for plug and play installation as running and turn signal functions with corresponding Front Run/Turn Signal Accessory Adapters (sold separately)

Sportster Sport Models (XL1200S 1996-2003) or Dyna Super Glide Sport (FXDX 1999-2005)

* All required wiring and hardware is included

* Will Not Fit Fatboy 2018up

Std Flat Top Pistons with 10.0:1 Compression Ratio. Fits Twin Cam 2007-2017 with 103ci Engine & also Converts Twin Cam 2007-2017 96ci Engine to 103ci. - Keith Black Pistons Custom or Universal Solo Seats High quality “moto centric” zippersFeatures & Benefits: * Bore = 3. 875 * Stroke = 4. 375 * Flat Top with slight hollow Dome. * Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then fully machined. * Best resistance to cracking in hi comp performance applications. * Require . 001 wider piston to wall clearance. * Anti Friction skirt coating. * Complete kit includes: two pistons, rings, wrist pins and clips. Tech Tips: * 10. 0: 1 Compression Ratio with 85cc