The 84" Stock Bore Stroker Kit brings increased displacement and a thicker midrange to compatible Shovelhead engines, giving a noticeable boost to throttle response and torque. 🔧🔥
This complete stroker flywheel kit includes a dynamically balanced flywheel assembly paired with heavy-duty connecting rods and reinforced mainshafts for reliable power delivery. It is engineered to reuse the stock cylinders, saving cost while retaining the engine's stock appearance. 🛠️
Minor crankcase and cylinder modifications are required and can be completed with common hand tools. Special pistons are required for installation and must be ordered separately—contact S&S for piston options and fitment guidance.
This product fits the following vehicles. Use the filters below to narrow down the list if needed.
| Manufacturer | Model | Family | Year | Notes |
|---|---|---|---|---|
| Harley Davidson | Electra Glide | Big Twin | 1970 | |
| Harley Davidson | Electra Glide | Big Twin | 1971 | |
| Harley Davidson | Electra Glide | Big Twin | 1972 | |
| Harley Davidson | Electra Glide | Big Twin | 1973 | |
| Harley Davidson | Electra Glide | Big Twin | 1974 | |
| Harley Davidson | Electra Glide | Big Twin | 1975 | |
| Harley Davidson | Electra Glide | Big Twin | 1976 | |
| Harley Davidson | Electra Glide | Big Twin | 1977 | |
| Harley Davidson | Electra Glide | Big Twin | 1970 | |
| Harley Davidson | Electra Glide | Big Twin | 1971 | |
| Harley Davidson | Electra Glide | Big Twin | 1972 | |
| Harley Davidson | Electra Glide | Big Twin | 1973 | |
| Harley Davidson | Electra Glide | Big Twin | 1974 | |
| Harley Davidson | Electra Glide | Big Twin | 1975 | |
| Harley Davidson | Electra Glide | Big Twin | 1976 | |
| Harley Davidson | Electra Glide | Big Twin | 1977 | |
| Harley Davidson | Electra Glide | Big Twin | 1978 | |
| Harley Davidson | Electra Glide | Big Twin | 1979 | |
| Harley Davidson | Electra Glide | Big Twin | 1980 | |
| Harley Davidson | Electra Glide | Big Twin | 1979 | |
| Harley Davidson | Electra Glide | Big Twin | 1980 | |
| Harley Davidson | Electra Glide | Big Twin | 1981 | |
| Harley Davidson | Electra Glide | Big Twin | 1982 | |
| Harley Davidson | Electra Glide | Big Twin | 1983 | |
| Harley Davidson | Electra Glide Belt Drive | Big Twin | 1984 | |
| Harley Davidson | Electra Glide Classic | Big Twin | 1979 | |
| Harley Davidson | Electra Glide | Big Twin | 1980 | |
| Harley Davidson | Electra Glide Classic | Big Twin | 1981 | |
| Harley Davidson | Electra Glide Classic | Big Twin | 1982 | |
| Harley Davidson | Electra Glide Classic | Big Twin | 1983 | |
| Harley Davidson | Electra Glide Sport | Touring | 1979 | |
| Harley Davidson | Electra Glide Sport | Touring | 1980 | |
| Harley Davidson | Electra Glide | Touring | 1983 | |
| Harley Davidson | Tour Glide | Touring | 1980 | |
| Harley Davidson | Tour Glide | Touring | 1981 | |
| Harley Davidson | Tour Glide | Touring | 1982 | |
| Harley Davidson | Tour Glide | Touring | 1983 | |
| Harley Davidson | Tour Glide Classic | Touring | 1980 | |
| Harley Davidson | Tour Glide Classic | Touring | 1981 | |
| Harley Davidson | Tour Glide Classic | Touring | 1982 | |
| Harley Davidson | Tour Glide Classic | Touring | 1983 | |
| Harley Davidson | Super Glide | Big Twin | 1971 | |
| Harley Davidson | Super Glide | Big Twin | 1972 | |
| Harley Davidson | Super Glide | Big Twin | 1973 | |
| Harley Davidson | Super Glide | Big Twin | 1974 | |
| Harley Davidson | Super Glide | Big Twin | 1975 | |
| Harley Davidson | Super Glide | Big Twin | 1976 | |
| Harley Davidson | Super Glide | Big Twin | 1977 | |
| Harley Davidson | Super Glide | Big Twin | 1978 | |
| Harley Davidson | Super Glide | Big Twin | 1979 | |
| Harley Davidson | Sturgis | Big Twin | 1980 | |
| Harley Davidson | Sturgis | Big Twin | 1981 | |
| Harley Davidson | Sturgis | Big Twin | 1982 | |
| Harley Davidson | Big Twin | 1983 | ||
| Harley Davidson | Big Twin | 1984 | ||
| Harley Davidson | Super Glide | Big Twin | 1974 | |
| Harley Davidson | Super Glide | Big Twin | 1975 | |
| Harley Davidson | Super Glide | Big Twin | 1976 | |
| Harley Davidson | Super Glide | Big Twin | 1977 | |
| Harley Davidson | Super Glide | Big Twin | 1978 | |
| Harley Davidson | Super Glide | Big Twin | 1979 | |
| Harley Davidson | Super Glide | Big Twin | 1980 | |
| Harley Davidson | Super Glide | Big Twin | 1981 | |
| Harley Davidson | Super Glide | Big Twin | 1982 | |
| Harley Davidson | Super Glide | Big Twin | 1983 | |
| Harley Davidson | Super Glide | Big Twin | 1984 | |
| Harley Davidson | Fat Bob | Big Twin | 1979 | |
| Harley Davidson | Fat Bob | Big Twin | 1979 | |
| Harley Davidson | Fat Bob | Big Twin | 1980 | |
| Harley Davidson | Fat Bob | Big Twin | 1981 | |
| Harley Davidson | Fat Bob | Big Twin | 1982 | |
| Harley Davidson | Super Glide II | FXR | 1982 | |
| Harley Davidson | Super Glide II | FXR | 1983 | |
| Harley Davidson | Super Glide II | FXR | 1984 | |
| Harley Davidson | Disc Glide | Big Twin | 1984 | |
| Harley Davidson | Sport Glide Police | Police | 1984 | |
| Harley Davidson | Low Glide | FXR | 1984 | |
| Harley Davidson | Super Glide II | FXR | 1982 | |
| Harley Davidson | Sport Glide | FXR | 1984 | |
| Harley Davidson | Low Rider | Big Twin | 1977 | |
| Harley Davidson | Low Rider | Big Twin | 1978 | |
| Harley Davidson | Low Rider | Big Twin | 1979 | |
| Harley Davidson | Low Rider | Big Twin | 1979 | |
| Harley Davidson | Low Rider | Big Twin | 1980 | |
| Harley Davidson | Low Rider | Big Twin | 1981 | |
| Harley Davidson | Low Rider | Big Twin | 1982 | |
| Harley Davidson | Low Rider | Big Twin | 1983 | |
| Harley Davidson | Low Rider | Big Twin | 1984 | |
| Harley Davidson | Wide Glide | Big Twin | 1980 | |
| Harley Davidson | Wide Glide | Big Twin | 1981 | |
| Harley Davidson | Wide Glide | Big Twin | 1982 | |
| Harley Davidson | Wide Glide | Big Twin | 1983 | |
| Harley Davidson | Wide Glide | Big Twin | 1984 |