106-5778 S&S 3-7/16" forged stroker piston kit. +.050" for Harley-Davidson
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Specifications
- Brand
- S&S
- Part Number
- 106-5778
- OEM Reference
- —
- Pack Quantity
- Sold as a set
- Category
- Pistons And Rings Kits
- VAT Rate
- 20%
About This Product
This S&S forged stroker piston kit is +.050" oversize for 3-7/16" or 3-1/2" bores. It fits 1941 to 1984 Big Twins built with stroker flywheels and stock length cylinders. Compression runs 8.4:1 to 10.8:1 depending on your stroke. The kit is sold as a set with wrist pins, clips, and rings. These are forged pistons with skirt profiling to keep them quiet. You need a proper mechanic to fit them. Follow the standard break-in procedure after overhaul.
Manufacturer part number: 106-5778.
Fitment
68 models41-84 Big Twin with 84" (4-1/2" stroke); 86" (4-5/8" stroke) & 88" (4-3/4" stroke) engines
FL Shovel 25 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1970–1974 | Electra Glide FL-1200 |
| Harley-Davidson | 1966–1969 | Electra Glide FLB-1200 |
| Harley-Davidson | 1966–1969 | Electra Glide FLFB-1200 |
| Harley-Davidson | 1978–1982 | Electra Glide FLH |
| Harley-Davidson | 1970–1979 | Electra Glide FLH-1200 |
| Harley-Davidson | 1979–1980 | Electra Glide FLH-80 |
| Harley-Davidson | 1967–1968 | Electra Glide FLHB-1200 |
| Harley-Davidson | 1975 | Electra Glide FLHF |
| Harley-Davidson | 1974–1975 | Electra Glide FLHF-1200 |
| Harley-Davidson | 1969 | Electra Glide FLHFB-1200 |
| Harley-Davidson | 1977 | Electra Glide FLHS-1200 |
| Harley-Davidson | 1983–1984 | Electra Glide FLHT |
| Harley-Davidson | 1984 | FLH Police 80 FLH |
| Harley-Davidson | 1980 | Glide Classic FLHC-80 |
| Harley-Davidson | 1983–1984 | Glide Classic FLHT |
| Harley-Davidson | 1975 | Glide Police FL |
| Harley-Davidson | 1983 | Police FLH |
| Harley-Davidson | 1979–1980 | Police FLH 80 FLHP-80 |
| Harley-Davidson | 1979–1980 | Police FLH-1200 FLH-1200 |
| Harley-Davidson | 1979 | Touring Electra Glide Classic FLHC-80 |
| Harley-Davidson | 1983–1984 | Touring Electra Glide Classic FLHTC |
| Harley-Davidson | 1984 | Touring Electra Glide FLH |
| Harley-Davidson | 1979 | Touring Electra Glide FLH-80 |
| Harley-Davidson | 1977 | Touring Electra Glide Sport FLHS-1200 |
| Harley-Davidson | 1983 | Touring Electra Glide Standard FLHT |
FX Shovel 14 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1983 | Dyna Glide Custom FXDG |
| Harley-Davidson | 1983–1984 | FX Low Rider FXSB |
| Harley-Davidson | 1984 | FX Super Glide FXE |
| Harley-Davidson | 1976–1979 | FX Super Glide FXE-1200 |
| Harley-Davidson | 1977–1979 | FX Super Glide FXS-1200 |
| Harley-Davidson | 1979–1980 | FX Super Glide FXS-80 |
| Harley-Davidson | 1981 | FX Super Glide Fat Bob FXEF |
| Harley-Davidson | 1979–1980 | FX Super Glide Fat Bob FXEF-1200 |
| Harley-Davidson | 1980 | FX Super Glide Fat Bob FXEF-80 |
| Harley-Davidson | 1983–1984 | FX Wide Glide FXWG |
| Harley-Davidson | 1976–1977 | Super Glide 1200 FX-1200 |
| Harley-Davidson | 1981–1982 | Super Glide B80 FXB |
| Harley-Davidson | 1973–1975 | Super Glide FX-1200 |
| Harley-Davidson | 1973–1975 | Super Glide FXE-1200 |
FXR 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1982–1984 | FXR Low Glide FXRS |
| Harley-Davidson | 1983 | FXR Super Glide FXR |
| Harley-Davidson | 1984 | FXR Touring FXRDG |
| Harley-Davidson | 1983–1984 | FXR Touring FXRT |
Knucklehead 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1941–1948 | Knucklehead E-1000 |
| Harley-Davidson | 1946–1948 | Knucklehead EL-1000 |
| Harley-Davidson | 1941–1946 | Knucklehead F-1200 |
| Harley-Davidson | 1943–1947 | Knucklehead FL-1200 |
Panhead 16 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1958–1964 | Duo Glide FL-1200 |
| Harley-Davidson | 1958–1962 | Duo Glide FLF-1200 |
| Harley-Davidson | 1961–1964 | Duo Glide FLH-1200 |
| Harley-Davidson | 1959–1963 | Duo Glide FLHF-1200 |
| Harley-Davidson | 1965 | Electra Glide FLB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLFB-1200 |
| Harley-Davidson | 1965 | Electra Glide FLHB-1200 |
| Harley-Davidson | 1950–1951 | Hydra Glide E-1000 |
| Harley-Davidson | 1951–1952 | Hydra Glide EL-1000 |
| Harley-Davidson | 1949–1952 | Hydra Glide F-1200 |
| Harley-Davidson | 1949–1957 | Hydra Glide FL-1200 |
| Harley-Davidson | 1953–1955 | Hydra Glide FLE-1200 |
| Harley-Davidson | 1953 | Hydra Glide FLEF-1200 |
| Harley-Davidson | 1954–1956 | Hydra Glide FLF-1200 |
| Harley-Davidson | 1956–1957 | Hydra Glide FLH-1200 |
| Harley-Davidson | 1948 | Panhead F-1200 |
Softail 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1984 | Softail Standard FXST |
Touring 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1983–1984 | Tour Glide Classic FLT |
| Harley-Davidson | 1979–1984 | Tour Glide FLT |
| Harley-Davidson | 1980–1982 | Touring Tour Glide FLT |
| Harley-Davidson | 1983 | Touring Tour Glide FLTD |
Planning other changes? Find your model in the bike customiser.
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