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 * Minor clearancing of switch

* Minor clearancing of switch housing is sometimes required to allow switch to function freely

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

High Horsepower Engines cause the O

* Fits XL883 Sportster 883 1992-2003

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 * Minor clearancing of switchFeatures & 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