{"product_id":"wiseco-piston-kit-4-135-inch-bore-121-ci-114-117-m8-k2806","title":"WISECO Piston Kit, 4.135-Inch Bore, 121 CI, 114\/117 M8, K2806","description":"Piston Kit - 4.135\" Bore - 121 CI - 114\"\/117\" M8\n\u003cp\u003eThe WISECO Piston Kit features a 4.135-inch bore and is designed for 121 CI, 114-inch, and 117-inch M8 applications. Its ArmorX™ piston coating provides protection in extreme conditions and helps reduce wear, while the ArmorFit™ skirt coating auto-adjusts to the cylinder wall to eliminate the need to measure clearance. The kit is designed to support smooth, quiet, and trouble-free operation.\u003c\/p\u003e\u003cp\u003eA dome design improves flame travel to help maximize air\/fuel burn efficiency. The 11:1 high-compression ratio is intended to provide added power. Additional features include a Superfinish piston pin to reduce friction and improve scuff resistance, enhanced pin oiling for improved lubrication, augmented ring land details for improved ring seal and function, and dedicated rings for precise fit, compression, and oil control.\u003c\/p\u003e\u003cp\u003eThe kit includes two pistons, rings, piston pins, and circlips. It is made in the USA and fits OEM and Screamin’ Eagle cylinder heads. Distributor part number: 09031680. Manufacturer part number: K2806. Fitment includes 2018 Harley-Davidson FXBRS Breakout 114; 2019 Harley-Davidson FXBRS Breakout 114; 2020 Harley-Davidson FXDRS FXDR 114; 2018, 2020, 2021, and 2023 Harley-Davidson FLHXS Street Glide Special; 2021 Harley-Davidson FLTRXS Road Glide Special; 2023 Harley-Davidson FXLRS Low Rider S 117; and 2022 Harley-Davidson FXLRST Low Rider ST 117.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBore and Application: 4.135-inch bore for 121 CI, 114-inch, and 117-inch M8 applications.\u003c\/li\u003e\n\u003cli\u003eArmorX™ Coating: Provides piston protection in extreme conditions and helps reduce wear.\u003c\/li\u003e\n\u003cli\u003eArmorFit™ Skirt Coating: Auto-adjusts to the cylinder wall, eliminating the need to measure clearance.\u003c\/li\u003e\n\u003cli\u003eCompression and Dome Design: 11:1 compression and a domed piston design support added power and improved flame travel.\u003c\/li\u003e\n\u003cli\u003eFriction and Lubrication: Superfinish piston pins and enhanced pin oiling help reduce friction and improve scuff resistance and lubrication.\u003c\/li\u003e\n\u003cli\u003eRing Function: Augmented ring land details and dedicated rings support precise fit, compression, and oil control.\u003c\/li\u003e\n\u003cli\u003eKit Contents: Includes two pistons, rings, piston pins, and circlips.\u003c\/li\u003e\n\u003cli\u003eCylinder Head Fitment: Fits OEM and Screamin’ Eagle cylinder heads.\u003c\/li\u003e\n\u003cli\u003eManufacturer: Made in the USA.\u003c\/li\u003e\n\u003cli\u003ePart Numbers: Distributor part number 09031680; manufacturer part number K2806.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2017 Harley-Davidson FLHR Road King\u003cbr\u003e\n2017 Harley-Davidson FLHTK Ultra Limited\u003cbr\u003e\n2017 Harley-Davidson FLHXS Street Glide Special\u003cbr\u003e\n2017 Harley-Davidson FLTRXS Road Glide Special\u003cbr\u003e\n2018 Harley-Davidson FLFBS Fat Boy 114\u003cbr\u003e\n2018 Harley-Davidson FLHCS Heritage Classic 114\u003cbr\u003e\n2018 Harley-Davidson FLHR Road King\u003cbr\u003e\n2018 Harley-Davidson FLHTK Ultra Limited\u003cbr\u003e\n2018 Harley-Davidson FLHXS Street Glide Special\u003cbr\u003e\n2018 Harley-Davidson FLTRXS Road Glide Special\u003cbr\u003e\n2018 Harley-Davidson FXBRS Breakout 114\u003cbr\u003e\n2018 Harley-Davidson FXFBS Fat Bob 114\u003cbr\u003e\n2019 Harley-Davidson FLFBS Fat Boy 114\u003cbr\u003e\n2019 Harley-Davidson FLHCS Heritage Classic 114\u003cbr\u003e\n2019 Harley-Davidson FLHR Road King\u003cbr\u003e\n2019 Harley-Davidson FLHT Electra Glide Standard\u003cbr\u003e\n2019 Harley-Davidson FLHTK Ultra Limited\u003cbr\u003e\n2019 Harley-Davidson FLHXS Street Glide Special\u003cbr\u003e\n2019 Harley-Davidson FLTRXS Road Glide Special\u003cbr\u003e\n2019 Harley-Davidson FXBRS Breakout 114\u003cbr\u003e\n2019 Harley-Davidson FXDRS FXDR 114\u003cbr\u003e\n2019 Harley-Davidson FXFBS Fat Bob 114\u003cbr\u003e\n2020 Harley-Davidson FLFBS Fat Boy 114\u003cbr\u003e\n2020 Harley-Davidson FLHCS Heritage Classic 114\u003cbr\u003e\n2020 Harley-Davidson FLHR Road King\u003cbr\u003e\n2020 Harley-Davidson FLHT Electra Glide Standard\u003cbr\u003e\n2020 Harley-Davidson FLHTK Ultra Limited\u003cbr\u003e\n2020 Harley-Davidson FLHXS Street Glide Special\u003cbr\u003e\n2020 Harley-Davidson FLTRXS Road Glide Special\u003cbr\u003e\n2020 Harley-Davidson FXBRS Breakout 114\u003cbr\u003e\n2020 Harley-Davidson FXDRS FXDR 114\u003cbr\u003e\n2020 Harley-Davidson FXFBS Fat Bob 114\u003cbr\u003e\n2020 Harley-Davidson FXLRS Low Rider S 114\u003cbr\u003e\n2021 Harley-Davidson FLFBS Fat Boy 114\u003cbr\u003e\n2021 Harley-Davidson FLHCS Heritage Classic 114\u003cbr\u003e\n2021 Harley-Davidson FLHR Road King\u003cbr\u003e\n2021 Harley-Davidson FLHT Electra Glide Standard\u003cbr\u003e\n2021 Harley-Davidson FLHTK Ultra Limited\u003cbr\u003e\n2021 Harley-Davidson FLHXS Street Glide Special\u003cbr\u003e\n2021 Harley-Davidson FLTRXS Road Glide Special\u003cbr\u003e\n2021 Harley-Davidson FXBBS Street Bob 114\u003cbr\u003e\n2021 Harley-Davidson FXFBS Fat Bob 114\u003cbr\u003e\n2021 Harley-Davidson FXLRS Low Rider S 114\u003cbr\u003e\n2022 Harley-Davidson FLFBS Fat Boy 114\u003cbr\u003e\n2022 Harley-Davidson FLHCS Heritage Classic 114\u003cbr\u003e\n2022 Harley-Davidson FLHR Road King\u003cbr\u003e\n2022 Harley-Davidson FLHT Electra Glide Standard\u003cbr\u003e\n2022 Harley-Davidson FLHTK Ultra Limited\u003cbr\u003e\n2022 Harley-Davidson FLHXS Street Glide Special\u003cbr\u003e\n2022 Harley-Davidson FLHXST Street Glide ST\u003cbr\u003e\n2022 Harley-Davidson FLTRXS Road Glide Special\u003cbr\u003e\n2022 Harley-Davidson FLTRXST Road Glide ST\u003cbr\u003e\n2022 Harley-Davidson FXBBS Street Bob 114\u003cbr\u003e\n2022 Harley-Davidson FXFBS Fat Bob 114\u003cbr\u003e\n2022 Harley-Davidson FXLRS Low Rider S 117\u003cbr\u003e\n2022 Harley-Davidson FXLRST Low Rider ST 117\u003cbr\u003e\n2022 Harley-Davidson FXRST Low Rider El Diablo 117\u003cbr\u003e\n2023 Harley-Davidson FLFBS Fat Boy 114\u003cbr\u003e\n2023 Harley-Davidson FLHCS Heritage Classic 114\u003cbr\u003e\n2023 Harley-Davidson FLHTK Ultra Limited\u003cbr\u003e\n2023 Harley-Davidson FLHXS Street Glide Special\u003cbr\u003e\n2023 Harley-Davidson FLHXST Street Glide ST\u003cbr\u003e\n2023 Harley-Davidson FLTRXS Road Glide Special\u003cbr\u003e\n2023 Harley-Davidson FLTRXST Road Glide ST\u003cbr\u003e\n2023 Harley-Davidson FXBBS Street Bob 114\u003cbr\u003e\n2023 Harley-Davidson FXBR Breakout 117\u003cbr\u003e\n2023 Harley-Davidson FXFBS Fat Bob 114\u003cbr\u003e\n2023 Harley-Davidson FXLRS Low Rider S 117\u003cbr\u003e\n2023 Harley-Davidson FXLRST Low Rider ST 117\u003cbr\u003e\n2024 Harley-Davidson FLFBS Fat Boy 114\u003cbr\u003e\n2024 Harley-Davidson FLHCS Heritage Classic 114\u003cbr\u003e\n2024 Harley-Davidson FLHTK Ultra Limited\u003cbr\u003e\n2024 Harley-Davidson FXBBS Street Bob 114\u003cbr\u003e\n2024 Harley-Davidson FXBR Breakout 117\u003cbr\u003e\n2024 Harley-Davidson FXLRS Low Rider S 117\u003cbr\u003e\n2024 Harley-Davidson FXLRST Low Rider ST 117\u003cbr\u003e\n2025 Harley-Davidson FXBR Breakout 117\u003cbr\u003e\n2025 Harley-Davidson FXLRS Low Rider S 117\u003cbr\u003e\n2025 Harley-Davidson FXLRST Low Rider ST 117","brand":"WISECO","offers":[{"title":"Default Title","offer_id":68485763498219,"sku":"09031680","price":576.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/1231866.png?v=1794377049","url":"https:\/\/ctracingservices.com\/products\/wiseco-piston-kit-4-135-inch-bore-121-ci-114-117-m8-k2806","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}