Description
Features
- Updates stock 107", 114” or 117” motor to 124” or 128” when using 4.250” big bore cylinders
- Valve pockets are designed to accept up to +4.00 mm oversized intake and exhaust valves
- Type 3 hard-anodized crown offers corrosion resistance for alcohol-added fuels
- Type 3 hard-anodized top ring groove eliminates micro-welding of ring to the groove and gives a hard-flat surface for ring to rotate on
- OE-style round wire locks are easily installed
- Heavy-duty wrist pins with true 0.9270” diameter to fit rods correctly
- Line2Line AST skirt coating starts out with a near-zero wall clearance and through the break-in period hones the cylinders to produce the correct oil wedge, keeping the piston square to the cylinder for best ring seal and quiet operation
- Kit includes pistons, rings, pins and locks
| Position | Notes | |||
|---|---|---|---|---|
| 2017-2021 | Harley-Davidson | FLHX Street Glide | - | - |
| 2017-2021 | Harley-Davidson | FLHXS Street Glide Special | - | - |
| 2017-2021 | Harley-Davidson | FLTRX Road Glide | - | - |
| 2019-2021 | Harley-Davidson | FLHT Electra Glide Standard | - | - |
| 2017-2021 | Harley-Davidson | FLHTK Ultra Limited | - | - |
| 2017-2021 | Harley-Davidson | FLHR Road King | - | - |
| 2018-2021 | Harley-Davidson | FLHC Heritage Classic 107 | - | - |
| 2018-2021 | Harley-Davidson | FLSB Sport Glide 107 | - | - |
| 2017-2021 | Harley-Davidson | FLRT Freewheeler | - | - |
| 2017-2021 | Harley-Davidson | FLTRXS Road Glide Special | - | - |
| 2017-2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | - | - |
| 2017-2021 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
| 2017-2021 | Harley-Davidson | FLHRXS Road King Special | - | - |
| 2018-2020 | Harley-Davidson | FXLR Low Rider 107 | - | - |
| 2018-2021 | Harley-Davidson | FLSL Softail Slim 107 | - | - |
| 2017-2019 | Harley-Davidson | FLHTKL Ultra Limited Low | - | - |
| 2020-2021 | Harley-Davidson | FXST Softail Standard 107 | - | - |
| 2018-2019 | Harley-Davidson | FXFB Fat Bob 107 | - | - |
| 2018-2020 | Harley-Davidson | FXBB Street Bob 107 | - | - |
| 2017-2021 | Harley-Davidson | Road King Police FLHP | - | - |
| 2018-2020 | Harley-Davidson | FLDE Deluxe 107 | - | - |
| 2021 | Harley-Davidson | FXBBS Street Bob 114 | - | - |
| 2018-2019 | Harley-Davidson | FLFB Fat Boy 107 | - | - |
| 2017-2021 | Harley-Davidson | FLHTCUTG Tri Glide Ultra | - | - |
| 2017-2019 | Harley-Davidson | FLTRU Road Glide Ultra | - | - |