{"product_id":"wossner-piston-kit-4-375-in-stroke-107-cid-m8-k4081da-2","title":"WOSSNER Piston Kit, 4.375 in Stroke, 107 CID, M8, K4081DA-2","description":"Piston Kit - 4.375\" Stroke - 107 CID - M8\n\u003cp\u003eThe WOSSNER Piston Kit is designed for applications using a 4.375-inch stroke and 107 CID M8 configuration. The piston crown features an anodized treatment intended to improve resistance to extreme heat, with testing showing improved thermal diffusivity by up to 10%. Hardcoat anodizing enhances the piston's ability to manage heat and wear while improving ring groove wear resistance during sliding contact compared with untreated surfaces.\u003c\/p\u003e\u003cp\u003eThis kit includes the piston, piston rings, piston pin and retaining clips. Valve pocket specifications include a 1.780-inch intake diameter, 0.200-inch intake depth and 27-degree intake angle, along with a 1.780-inch exhaust diameter, 0.200-inch exhaust depth and 27-degree exhaust angle. Distributor part number: 09106681. Manufacturer part number: K4081DA-2.\u003c\/p\u003e\u003cp\u003eFitment includes the 2018 and 2020 Harley-Davidson FLHC Heritage Classic 107, 2022 Harley-Davidson FLHR Road King, 2017 Harley-Davidson FLHTCU Electra Glide Ultra Classic, 2018 and 2020 Harley-Davidson FLSL Softail Slim 107, 2017 Harley-Davidson FLTRX Road Glide, 2019 Harley-Davidson FXLR Low Rider 107, and the 2018 and 2022 Harley-Davidson FLHX Street Glide.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAnodized Crown: Improves resistance to extreme heat.\u003c\/li\u003e\n\u003cli\u003eThermal Diffusivity: Tested and proven to improve thermal diffusivity by up to 10%.\u003c\/li\u003e\n\u003cli\u003eHardcoat Anodize Treatment: Enhances the piston's ability to manage heat and wear.\u003c\/li\u003e\n\u003cli\u003eRing Groove Wear: Improves resistance to sliding wear compared with untreated surfaces.\u003c\/li\u003e\n\u003cli\u003eKit Contents: Includes piston, piston rings, piston pin and retaining clips.\u003c\/li\u003e\n\u003cli\u003eValve Pockets: Features 1.780-inch intake and exhaust diameters, 0.200-inch intake and exhaust depths, and 27-degree intake and exhaust angles.\u003c\/li\u003e\n\u003cli\u003eFitment: Fits select Harley-Davidson 107 applications listed in the product description.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2017 Harley-Davidson FLHR Road King\u003cbr\u003e\n2017 Harley-Davidson FLHTCU Electra Glide Ultra Classic\u003cbr\u003e\n2017 Harley-Davidson FLHX Street Glide\u003cbr\u003e\n2017 Harley-Davidson FLRT Freewheeler\u003cbr\u003e\n2017 Harley-Davidson FLTRX Road Glide\u003cbr\u003e\n2018 Harley-Davidson FLDE Deluxe 107\u003cbr\u003e\n2018 Harley-Davidson FLFB Fat Boy 107\u003cbr\u003e\n2018 Harley-Davidson FLHC Heritage Classic 107\u003cbr\u003e\n2018 Harley-Davidson FLHR Road King\u003cbr\u003e\n2018 Harley-Davidson FLHTCU Electra Glide Ultra Classic\u003cbr\u003e\n2018 Harley-Davidson FLHX Street Glide\u003cbr\u003e\n2018 Harley-Davidson FLRT Freewheeler\u003cbr\u003e\n2018 Harley-Davidson FLSB Sport Glide 107\u003cbr\u003e\n2018 Harley-Davidson FLSL Softail Slim 107\u003cbr\u003e\n2018 Harley-Davidson FLTRX Road Glide\u003cbr\u003e\n2018 Harley-Davidson FXBB Street Bob 107\u003cbr\u003e\n2018 Harley-Davidson FXBR Breakout 107\u003cbr\u003e\n2018 Harley-Davidson FXFB Fat Bob 107\u003cbr\u003e\n2018 Harley-Davidson FXLR Low Rider 107\u003cbr\u003e\n2019 Harley-Davidson FLDE Deluxe 107\u003cbr\u003e\n2019 Harley-Davidson FLFB Fat Boy 107\u003cbr\u003e\n2019 Harley-Davidson FLHC Heritage Classic 107\u003cbr\u003e\n2019 Harley-Davidson FLHR Road King\u003cbr\u003e\n2019 Harley-Davidson FLHT Electra Glide Standard\u003cbr\u003e\n2019 Harley-Davidson FLHTCU Electra Glide Ultra Classic\u003cbr\u003e\n2019 Harley-Davidson FLHX Street Glide\u003cbr\u003e\n2019 Harley-Davidson FLSB Sport Glide 107\u003cbr\u003e\n2019 Harley-Davidson FLSL Softail Slim 107\u003cbr\u003e\n2019 Harley-Davidson FLTRX Road Glide\u003cbr\u003e\n2019 Harley-Davidson FXBB Street Bob 107\u003cbr\u003e\n2019 Harley-Davidson FXBR Breakout 107\u003cbr\u003e\n2019 Harley-Davidson FXFB Fat Bob 107\u003cbr\u003e\n2019 Harley-Davidson FXLR Low Rider 107\u003cbr\u003e\n2020 Harley-Davidson FLDE Deluxe 107\u003cbr\u003e\n2020 Harley-Davidson FLFB Fat Boy 107\u003cbr\u003e\n2020 Harley-Davidson FLHC Heritage Classic 107\u003cbr\u003e\n2020 Harley-Davidson FLHR Road King\u003cbr\u003e\n2020 Harley-Davidson FLHT Electra Glide Standard\u003cbr\u003e\n2020 Harley-Davidson FLHX Street Glide\u003cbr\u003e\n2020 Harley-Davidson FLSB Sport Glide 107\u003cbr\u003e\n2020 Harley-Davidson FLSL Softail Slim 107\u003cbr\u003e\n2020 Harley-Davidson FLTRX Road Glide\u003cbr\u003e\n2020 Harley-Davidson FXBB Street Bob 107\u003cbr\u003e\n2020 Harley-Davidson FXFB Fat Bob 107\u003cbr\u003e\n2020 Harley-Davidson FXLR Low Rider 107\u003cbr\u003e\n2020 Harley-Davidson FXST Softail Standard 107\u003cbr\u003e\n2021 Harley-Davidson FLHC Heritage Classic 107\u003cbr\u003e\n2021 Harley-Davidson FLHR Road King\u003cbr\u003e\n2021 Harley-Davidson FLHT Electra Glide Standard\u003cbr\u003e\n2021 Harley-Davidson FLHX Street Glide\u003cbr\u003e\n2021 Harley-Davidson FLSB Sport Glide 107\u003cbr\u003e\n2021 Harley-Davidson FLSL Softail Slim 107\u003cbr\u003e\n2021 Harley-Davidson FLTRX Road Glide\u003cbr\u003e\n2021 Harley-Davidson FXST Softail Standard 107\u003cbr\u003e\n2022 Harley-Davidson FLHR Road King\u003cbr\u003e\n2022 Harley-Davidson FLHT Electra Glide Standard\u003cbr\u003e\n2022 Harley-Davidson FLHX Street Glide\u003cbr\u003e\n2022 Harley-Davidson FLSB Sport Glide 107\u003cbr\u003e\n2022 Harley-Davidson FLTRX Road Glide\u003cbr\u003e\n2022 Harley-Davidson FXST Softail Standard 107\u003cbr\u003e\n2023 Harley-Davidson FLHX Street Glide\u003cbr\u003e\n2023 Harley-Davidson FLSB Sport Glide 107\u003cbr\u003e\n2023 Harley-Davidson FLTRX Road Glide\u003cbr\u003e\n2023 Harley-Davidson FXST Softail Standard 107\u003cbr\u003e\n2024 Harley-Davidson FLSB Sport Glide 107\u003cbr\u003e\n2024 Harley-Davidson FXST Softail Standard 107","brand":"WOSSNER","offers":[{"title":"Default Title","offer_id":68484313153771,"sku":"09106681","price":448.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/4872346.png?v=1794361908","url":"https:\/\/ctracingservices.com\/products\/wossner-piston-kit-4-375-in-stroke-107-cid-m8-k4081da-2","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}