+.010in. Pistons with 10.25:1 Compression Ratio. Fits Big Twin 2007-2017 with 103ci & Big Bore 96ci to 103ci Twin Cam Engine. - CP Carrillo Pistons Headlights & Associated * Solid Boost in Performance

* Solid Boost in Performance with a Classic Appearance

* Billet 6061 aluminum

* Mandrel bent and tig welded stainless steel pipe kit (includes wastegate)

* Requires Avon Tyre # AVO-AV912113

* Show quality chrome finish

+.010in. Pistons with 10.25:1 Compression Ratio. Fits Big Twin 2007-2017 with 103ci & Big Bore 96ci to 103ci Twin Cam Engine. - CP Carrillo Pistons Headlights & Associated * Solid Boost in PerformanceFeatures & Benefits: * ID # 2506 * Bore = 3. 885 * Stroke = 4. 375 * Fully CNC machined * Balanced to + 1 gram * Double forced pin oilers * Forged from high strength 2618 alloy * Designed for maximum performance, horsepower and reliability * Complete kit includes two pistons, ring sets, wrist pins and clips Tech Tips: * Suggested additional purchase top end gasket kit # CG C9147 * Follow ring end gap and piston to cylinder clearances as per the