S&S CYCLE 96" Sidewinder® Big Bore Stroker Kit for '84-'99 HD® Big Twins - Wrinkle Black Finish - 91-7661
🚚 Estimated Delivery: 02 Sep - 09 Sep
CONFIRM FITMENT BEFORE ORDERING
Please confirm fitment for your bike below as we do not accept returns on parts ordered incorrectly.
An S&S 96" 3-5/8" Sidewinder big bore stroker kit is an economical route to a larger displacement engine. This kit contains nearly everying needed to take a stock 80" Harley-Davidson® Evolution® big twin engine up to 96" displacement. This kit includes S&S 3-5/8" bore aluminum Sidewinder cylinders and forged pistons, a 4-5/8" stroke dynamically balanced S&S flywheel assembly, complete with S&S heavy duty connecting rods and mainshafts, head gaskets, base gaskets, exhaust gaskets. Stock cases will need to be bored out to 3 5/8".
- Kits include standard flywheel assembly, 3-5/8" bore cylinders, 9.75:1 pistons, rings and gaskets
- Does not include manifold, pushrods, or pushrod clips
- Made In the U.S.A.
- Cases must be bored to accept 3-5/8" bore cylinders, and a minor crankcase clearancing operation for the crankpin nut must be performed.
- 77-89 style pinion gear and oil pump drive gears must be used when installing S&S flywheels in 90-99 engines.
NOTE: Crankcases must be bored to accept larger 3-5/8" bore cylinders IMPORTANT: 1977-’89 style pinion gears, spacer, and nut are required when installing S&S flywheel assemblies. For installation in 1990-’99 or scratch built engines, order S&S Pinion Shaft Conversion Kit 33-4148 Not legal for sale or use on CA or EPA pollution controlled vehicles 1978 and later.
Fitment Guide
| 2000 | Harley-Davidson | FXR4 | - | - |
| 1999 | Harley-Davidson | FXR2 | - | - |
| 1999 | Harley-Davidson | FXR3 | - | - |
| 1999 | Harley-Davidson | FXSTB Night Train | - | - |
| 1998 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | - | - |
| 1998 | Harley-Davidson | FLTR Road Glide | - | - |
| 1997-1999 | Harley-Davidson | FLSTS Heritage Springer | - | - |
| 1996 | Harley-Davidson | Tour Glide Ultra Classic FLTCU | - | - |
| 1995-1998 | Harley-Davidson | FXDS-Conv Dyna Convertible | - | - |
| 1995-1998 | Harley-Davidson | FXD Dyna Super Glide | - | - |
| 1995-1997 | Harley-Davidson | FXSTSB Bad Boy | - | - |
| 1994-1998 | Harley-Davidson | FLHR Road King | - | - |
| 1994-1996 | Harley-Davidson | FLSTN Heritage Softail Special | - | - |
| 1994 | Harley-Davidson | Tour Glide Classic FLTC | - | - |
| 1993-1998 | Harley-Davidson | FXDL Dyna Low Rider | - | - |
| 1993-1998 | Harley-Davidson | FXDWG Dyna Wide Glide | - | - |
| 1993 | Harley-Davidson | FLSTN Heritage Softail Nostalgia | - | - |
| 1993 | Harley-Davidson | Sport Glide FXRT | - | - |
| 1992 | Harley-Davidson | FXDC Super Glide Custom | - | - |
| 1992 | Harley-Davidson | FXDB-D Dyna Glide Daytona | - | - |
| 1990-1999 | Harley-Davidson | FLSTF Fat Boy | - | - |
| 1990-1993 | Harley-Davidson | FXRS-Conv Low Rider Sport Convertible | - | - |
| 1989-1997 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | - | - |
| 1989-1995 | Harley-Davidson | FLTCU Tour Glide Ultra Classic | - | - |
| 1989-1990, 1993 | Harley-Davidson | Low Rider FXRS | - | - |
| 1988-1999 | Harley-Davidson | FXSTS Springer Softail | - | - |
| 1988-1999 | Harley-Davidson | FLSTC Heritage Softail Classic | - | - |
| 1988-1993 | Harley-Davidson | FXRS-SP Low Rider Sport | - | - |
| 1987-1994 | Harley-Davidson | FXLR Low Rider Custom | - | - |
| 1987-1993 | Harley-Davidson | FLHS Electra Glide Sport | - | - |
| 1987 | Harley-Davidson | Softail Heritage Classic FLSTC | - | - |
| 1986-1999 | Harley-Davidson | FXSTC Softail Custom | - | - |
| 1986-1994 | Harley-Davidson | FXR Super Glide II | - | - |
| 1986-1990 | Harley-Davidson | FLST Heritage Softail | - | - |
| 1986-1987, 1995-1998 | Harley-Davidson | FLHT Electra Glide Standard | - | - |
| 1986 | Harley-Davidson | FXRD Sport Glide Grand Touring | - | - |
| 1985-1986 | Harley-Davidson | FXWG Wide Glide | - | - |
| 1985, 1987 | Harley-Davidson | FXRC Low Rider Chrome | - | - |
| 1985 | Harley-Davidson | Electra Glide Standard FLHT | - | - |
| 1985 | Harley-Davidson | FXEF Fat Bob | - | - |
| 1985 | Harley-Davidson | FXSB Low Rider - Belt | - | - |
| 1984-1998 | Harley-Davidson | FLHTC Electra Glide Classic | - | - |
| 1984-1993 | Harley-Davidson | FXST Softail Standard | - | - |
| 1984-1993 | Harley-Davidson | FLTC Tour Glide Classic | - | - |
| 1984-1992 | Harley-Davidson | FXRT Sport Glide | - | - |
| 1984-1988, 1991-1992 | Harley-Davidson | FXRS Low Glide | - | - |
| 1984 | Harley-Davidson | FXRDG Disc Glide | - | - |
Specs
| PRODUCT NAME | PERFORMANCE KIT |
| TYPE | ENGINE |
| STYLE | BIG BORE |
| MODEL | SIDEWINDER |
| BASE COLOR | BLACK |
| COLOR/FINISH | BLACK |
| STROKE LENGTH | 4-5/8" |
| DISPLACEMENT | 96" |
| BORE SIZE | 3.625" |
| COMPRESSION RATIO | 9.75:1 |
| UNITS | KIT |
| RIDING STYLE | STREET |
Delivery Info
Please Note - Warehouse Locations For This Part -
S&S CYCLE 96" Sidewinder® Big Bore Stroker Kit for '84-'99 HD® Big Twins - Wrinkle Black Finish - 91-7661
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.