S&S Cycle 99-06 BT 4-1/8in Bore Cylinder & Piston Kit - Silver
This big bore cylinder and piston kit contains S&S 4-1/8" bore cylinders and forged pistons, rings, wrist pins, head and base gaskets. Pistons are machined with a 10.9cc dish and ar intended for use with stock cylinder heads. The cylinders are machined with the stock bolt pattern and are intended for use in stock crankcases of 1999-'06 big twin engines. Designed for 4-5/8" stroke flywheels, resulting in 124" displacement. Cylinder finish is a durable silver powder coat. For best performance, appropriate camshafts, performance air cleaner, performance exhaust and fuel system tuning are required.
- Crankcases must be bored to accept the larger 4-1/8" bore cylinders
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2006 | Harley-Davidson | FLHR Road King | Base |
| 2004-2006 | Harley-Davidson | FLHRS Road King Custom | Base |
| 1999-2006 | Harley-Davidson | FLHT Electra Glide Standard | Base |
| 2003 | Harley-Davidson | FLHTC Electra Glide Classic | Base |
| 2006 | Harley-Davidson | FLHX Street Glide | Base |
| 2006 | Harley-Davidson | FLST Heritage Softail | Base |
| 2000-2006 | Harley-Davidson | FLSTC Heritage Softail Classic | Base |
| 2000-2006 | Harley-Davidson | FLSTF Fat Boy | Base |
| 2005-2006 | Harley-Davidson | FLSTN Softail Deluxe | Base |
| 2000-2003 | Harley-Davidson | FLSTS Heritage Springer | Base |
| 1999-2002 | Harley-Davidson | FLTR Road Glide | Base |
| 1999-2005 | Harley-Davidson | FXD Dyna Super Glide | Base |
| 2005 | Harley-Davidson | FXDC Super Glide Custom | Base |
| 1999-2005 | Harley-Davidson | FXDL Dyna Low Rider | Base |
| 1999-2005 | Harley-Davidson | FXDWG Dyna Wide Glide | Base |
| 2001 | Harley-Davidson | FXDWG2 CVO Dyna Wide Glide | Base |
| 2002 | Harley-Davidson | FXDWG3 CVO Dyna Wide Glide | Base |
| 1999-2005 | Harley-Davidson | FXDX Dyna Super Glide Sport | Base |
| 2004-2005 | Harley-Davidson | FXDXI Dyna Super Glide Sport | Base |
| 2001-2003 | Harley-Davidson | FXDXT Dyna Super Glide T-Sport | Base |
| 2000-2006 | Harley-Davidson | FXST Softail Standard | Base |
| 2000-2006 | Harley-Davidson | FXSTB Night Train | Base |
| 2001-2006 | Harley-Davidson | FXSTBI Night Train | Base |
| 2000-2006 | Harley-Davidson | FXSTD Softail Deuce | Base |
| 2000-2006 | Harley-Davidson | FXSTS Springer Softail | Base |
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