S&S Cycle 84-99 BT 89in Stock Bore Stroker Kit
Special Order
This part is still available to order. Once you place your order, we’ll submit it directly to S&S Cycle, and they’ll ship it straight to you.
Delivery times can vary depending on the brand, so we can’t guarantee an exact arrival date. What we can guarantee is that we’ll stay on top of your order, monitor its progress, and keep you updated until it reaches your door.
Special-order items are typically not kept in stock by most retailers. By ordering through us, your order is placed directly with S&S Cycle, assuring you get the part as quickly as possible.
Want to get an estimated delivery timeframe before ordering? Contact us through our contact page, and we’ll be happy to find out for you.
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S&S 89" stock bore stroker kit upgrades carbureted 80" HD 80 Evolution Big Twin engines to 89" displacement at approximately 9.25:1 compression
- This kit requires special pistons which must be ordered separately depending on the oversize required for the stock cylinders
- Includes a dynamically balanced 4-5/8" stroke flywheel assembly complete with S&S heavy duty connecting rods and mainshafts
- Pistons are available for stock or S&S Performance Replacement cylinder heads or for S&S Super Stock cylinder heads
- Stock bore stroker kits reuse the stock cylinders, saving cost and retaining appearance of the engine
- Minor crankcase and cylinder modifications are required, that can easily be done with hand tools
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-1999 | Harley-Davidson | FLHR Road King | Base |
| 1998-1999 | Harley-Davidson | FLHRCI Road King Classic | Base |
| 1996-1997 | Harley-Davidson | FLHRI Road King | Base |
| 1984,1987-1993 | Harley-Davidson | FLHS Electra Glide Sport | Base |
| 1984-1999 | Harley-Davidson | FLHTC Electra Glide Classic | Base |
| 1996-1999 | Harley-Davidson | FLHTCI Electra Glide Classic | Base |
| 1989-1997 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | Base |
| 1995-1999 | Harley-Davidson | FLHTCUI Electra Glide Ultra Classic | Base |
| 1986-1990 | Harley-Davidson | FLST Heritage Softail | Base |
| 1988-1999 | Harley-Davidson | FLSTC Heritage Softail Classic | Base |
| 1990-1999 | Harley-Davidson | FLSTF Fat Boy | Base |
| 1993 | Harley-Davidson | FLSTN Heritage Softail Nostalgia | Base |
| 1994-1996 | Harley-Davidson | FLSTN Heritage Softail Special | Base |
| 1995-1999 | Harley-Davidson | FXD Dyna Super Glide | Base |
| 1993-1999 | Harley-Davidson | FXDL Dyna Low Rider | Base |
| 1993-1999 | Harley-Davidson | FXDWG Dyna Wide Glide | Base |
| 1999 | Harley-Davidson | FXDX Dyna Super Glide Sport | Base |
| 1999 | Harley-Davidson | FXR2 | Base |
| 1999 | Harley-Davidson | FXR3 | Base |
| 1984-1992 | Harley-Davidson | FXRS Low Glide | Base |
| 1986-1993 | Harley-Davidson | FXRS-SP Low Rider Sport | Base |
| 1984-1992 | Harley-Davidson | FXRT Sport Glide | Base |
| 1984-1999 | Harley-Davidson | FXST Softail Standard | Base |
| 1999 | Harley-Davidson | FXSTB Night Train | Base |
| 1986-1999 | Harley-Davidson | FXSTC Softail Custom | Base |
| 1995-1997 | Harley-Davidson | FXSTSB Bad Boy | Base |
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