Wiseco K2803 Black Edition Piston Kit (114in.) - 4.016in. Bore, 11.0:1 Compression

Bore: 4.016in.
Compression: 11.0:1 Compression
Sizing: Standard Bore

4.5in. Stroke.

Features ArmorX piston coating for superior protection in extreme conditions and reduced wear. ArmorFit skirt coating auto-adjusts to the cylinder wall so there's no need to measure clearance; provides smooth, quiet, trouble-free operation. Dome design for improved flame travel to maximize air/ fuel burn efficiency. High compression for added power. Superfinish piston pin reduces friction and improves scuff resistance. Enhanced pin oiling for improved lubrication and reduced friction.

Vehicle Fitment:

2018-2023 Harley Davidson FLFBS Fat Boy 114
2021 Harley Davidson FLH Electra Glide Revival
2018-2023 Harley Davidson FLHCS Heritage Classic 114
2023 Harley Davidson FLHFB Electra Glide Highway King
2019-2023 Harley Davidson FLHRXS Road King Special
2019-2023 Harley Davidson FLHTCUTG Tri Glide Ultra
2022 Harley Davidson FLHTCUTG Tri Glide Ultra G.I.
2019-2023 Harley Davidson FLHTK Ultra Limited
2019 Harley Davidson FLHTKL Ultra Limited Low
2020-2023 Harley Davidson FLHXS Street Glide Special
2022-2023 Harley Davidson FLHXST Street Glide ST
2020-2023 Harley Davidson FLRT Freewheeler
2020-2023 Harley Davidson FLTRK Road Glide Limited
2023 Harley Davidson FLTRT Road Glide 3
2020-2023 Harley Davidson FLTRXS Road Glide Special
2022-2023 Harley Davidson FLTRXST Road Glide ST
2021-2023 Harley Davidson FXBBS Street Bob 114
2023 Harley Davidson FXBR Breakout 117
2018-2020 Harley Davidson FXBRS Breakout 114
2019-2020 Harley Davidson FXDRS FXDR 114
2018-2023 Harley Davidson FXFBS Fat Bob 114
2020-2021 Harley Davidson FXLRS Low Rider S 114
2022-2023 Harley Davidson FXLRS Low Rider S 117
2022-2023 Harley Davidson FXLRST Low Rider ST 117
2022 Harley Davidson FXRST Low Rider El Diablo 117