S&S CYCLE 31/2" Bore Forged Stroker Piston Kits For Stock Heads Or S&S Performance Replacement Heads - 3.5" - +.020 - Harley-Davidson '84-'99 - 106-5556
🚚 Estimated Delivery: 26 Aug - 02 Sep
CONFIRM FITMENT BEFORE ORDERING
Please confirm fitment for your bike below as we do not accept returns on parts ordered incorrectly.
These forged 3-1/2" bore stroker pistons for 1984-'99 HD® Evolution® big twin engines are required for the S&S 89" stock bore stroker kits, which include S&S 4-5/8" stroke flywheels. Pistons are designed to be used with stock cylinder heads or with S&S Performance Replacement heads. Low silicon forged material and advanced S&S piston skirt design result in high strengh and low noise. 3-1/2" +.020" bore.
- Piston kit includes forged pistons (unless noted) rings, wrist pins and clips for a complete motor replacement
- Made in the U.S.A
NOTE: Piston kits include set of pistons, rings, wristpins, and clips. Recommended cast piston fitment: Close: 0.0008” – 0.0013” Loose: 0.0020” – 0.0025”
NOTE: For stock heads or S&S performance replacement heads.
NOTE: If ordering replacement pistons for older 89" Stroker Kit, the flywheels will need rebalancing.
Fitment Guide
| 1999 | Harley-Davidson | FXR 3 | - | - |
| 1999 | Harley-Davidson | FXR 2 | - | - |
| 1999 | Harley-Davidson | Softail Night Train FXSTB | - | - |
| 1999 | Harley-Davidson | 883 Custom EFI XLC | - | - |
| 1998-1999 | Harley-Davidson | 883 Custom XLC | - | - |
| 1998 | Harley-Davidson | Road Glide FLTR | - | - |
| 1998 | Harley-Davidson | Road Glide EFI FLTR | - | - |
| 1997-1999 | Harley-Davidson | Softail Heritage Springer FLSTS | - | - |
| 1996-1999 | Harley-Davidson | 1200 Sport XLS | - | - |
| 1996-1999 | Harley-Davidson | 1200 Custom XLC | - | - |
| 1996 | Harley-Davidson | Tour Glide Ultra Classic EFI FLTCU | - | - |
| 1995-1998 | Harley-Davidson | Super Glide FXD | - | - |
| 1995-1998 | Harley-Davidson | Electra Glide Classic EFI FLHTCI | - | - |
| 1995-1998 | Harley-Davidson | Road King Classic EFI FLHRC | - | - |
| 1995-1998 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | - | - |
| 1995-1998 | Harley-Davidson | Dyna Convertible FXDS-CONV | - | - |
| 1995-1998 | Harley-Davidson | Road King EFI FLHR | - | - |
| 1995-1998 | Harley-Davidson | Electra Glide Police FLHTPI | - | - |
| 1995-1997 | Harley-Davidson | Softail Bad Boy FXSTSB | - | - |
| 1994-1998 | Harley-Davidson | Road King FLHR | - | - |
| 1994-1996 | Harley-Davidson | Softail Heritage Special FLSTN | - | - |
| 1993-1998 | Harley-Davidson | Low Rider FXDL | - | - |
| 1993-1998 | Harley-Davidson | Wide Glide FXDWG | - | - |
| 1993 | Harley-Davidson | Softail Nostalgia FLSTN | - | - |
| 1992 | Harley-Davidson | Dyna Daytona FXDB | - | - |
| 1992 | Harley-Davidson | Dyna Glide Custom FXDC | - | - |
| 1991 | Harley-Davidson | Dyna Sturgis FXDB | - | - |
| 1990-1999 | Harley-Davidson | Softail Fat Boy FLSTF | - | - |
| 1989-1998 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | - | - |
| 1989-1996 | Harley-Davidson | Tour Glide Ultra Classic FLTCU | - | - |
| 1988-1999 | Harley-Davidson | Softail Springer FXSTS | - | - |
| 1988-1999 | Harley-Davidson | Sportster 1200 XLH | - | - |
| 1987-1999 | Harley-Davidson | 883 Hugger XLH | - | - |
| 1987-1993 | Harley-Davidson | Electra Glide Sport FLHS | - | - |
| 1986-1999 | Harley-Davidson | Softail Custom FXSTC | - | - |
| 1986-1999 | Harley-Davidson | Softail Heritage Classic FLSTC | - | - |
| 1986-1999 | Harley-Davidson | Sportster 883 XLH | - | - |
| 1986-1995 | Harley-Davidson | 883 Deluxe XLH | - | - |
| 1986-1990 | Harley-Davidson | Softail Heritage FLST | - | - |
| 1986-1988 | Harley-Davidson | Sportster 1100 XLH | - | - |
| 1984-1999 | Harley-Davidson | Softail Standard FXST | - | - |
| 1984-1998 | Harley-Davidson | Electra Glide Classic FLHTC | - | - |
| 1984-1998 | Harley-Davidson | Electra Glide Police FLHTP | - | - |
| 1984-1994 | Harley-Davidson | Tour Glide Classic FLTC | - | - |
| 1984-1987, 1995-1998 | Harley-Davidson | Electra Glide Standard FLHT | - | - |
| 1984-1986 | Harley-Davidson | Tour Glide FLT | - | - |
| 1984-1985 | Harley-Davidson | Electra Glide Special FLHX | - | - |
| 1984-1985 | Harley-Davidson | Electra Glide FLH | - | - |
Specs
| PRODUCT NAME | PISTON KIT |
| TYPE | REPLACEMENT |
| PISTON MATERIAL | FORGED |
| BORE SIZE | 3.500" |
| BORE - OVERSIZE | +0,020" |
| BORE OVERSIZE | +0.020" |
| COMPRESSION RATIO | 9.25:1 |
| DISPLACEMENT | 89" |
| STROKE LENGTH | 4-5/8" |
| PISTON HEAD SHAPE | FLAT TOP |
| UNITS | KIT |
| RIDING STYLE | STREET |
Delivery Info
Please Note - Warehouse Locations For This Part -
S&S CYCLE 31/2" Bore Forged Stroker Piston Kits For Stock Heads Or S&S Performance Replacement Heads - 3.5" - +.020 - Harley-Davidson '84-'99 - 106-5556
Gold Coast Warehouse- If your parts are in stock at our Gold Coast warehouse at the time of order, they will be shipped within 24hrs.
Supplier Warehouse - 2-3 Week Delivery- If your parts are located at our Supplier Warehouse, Delivery ETA is approx 2-3 weeks, as the parts are likely coming from our USA supplier warehouse. We will notify you once we receive it in Gold Coast warehouse and its on its way to you.