S&S CYCLE S&S® Super Stock® Cylinder Head Kit For 3-1/2" and 3-5/8" Bore HD® '84-'99 Big Twins - Natural Aluminum Finish - 90-1004
🚚 Estimated Delivery: 14 Jul - 21 Jul
These S&S® Super Stock® cylinder heads for 1984-'99 HD® Evolution® Big Twin engines feature a specially shaped combustion chamber and require special pistons that must be purchased separately. (Not compatible with stock style flat topped pistons) Large 2.000" intake and 1.605" exhaust valves and high flowing ports supply plenty of air for big inch engines. Compatible with cams with lifts up to .650". Compatible with stock 3-1/2" or 3-5/8" bore engines. Order appropriate gasket kits separately for your specific bore size. Natural aluminum finish.
- S&S heads give great performance, and work with additional upgrades
- Kits are fully assembled, and include stainless steel valves and high-lift springs (up to .640 lift)
- Intake manifold, pistons and gasket kits are sold separately; gasket kits contain head gaskets, base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker box styles)
- Must reuse stock headbolts
- S&S Super Stock piston kits are required and include 10:1 ratio pistons, rings, piston pins and clips (sold separately in pairs)
- Made in the U.S.A.
Fitment Guide
| 1999 | Harley-Davidson | FXR2 | - | - |
| 1999 | Harley-Davidson | FXR3 | - | - |
| 1999 | Harley-Davidson | FXSTB Night Train | - | - |
| 1998 | Harley-Davidson | FLHRCI Road King Classic | - | - |
| 1998 | Harley-Davidson | FLTR Road Glide | - | - |
| 1998 | Harley-Davidson | FLTRI Road Glide | - | - |
| 1998 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | - | - |
| 1998 | Harley-Davidson | Road King EFI FLHR | - | - |
| 1997-1999 | Harley-Davidson | FLSTS Heritage Springer | - | - |
| 1996-1998 | Harley-Davidson | FLHTCI Electra Glide Classic | - | - |
| 1996-1997 | Harley-Davidson | FLHRI Road King | - | - |
| 1996 | Harley-Davidson | Tour Glide Ultra Classic FLTCU | - | - |
| 1996 | Harley-Davidson | FLTCUI Tour Glide Ultra Classic | - | - |
| 1995-1998 | Harley-Davidson | FLHTCUI Electra Glide Ultra Classic | - | - |
| 1995-1998 | Harley-Davidson | FXD Dyna Super Glide | - | - |
| 1995-1998 | Harley-Davidson | FXDS-Conv Dyna Convertible | - | - |
| 1995-1997 | Harley-Davidson | FXSTSB Bad Boy | - | - |
| 1995 | Harley-Davidson | Electra Glide Classic EFI FLHTCI | - | - |
| 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 | FXDB-D Dyna Glide Daytona | - | - |
| 1992 | Harley-Davidson | FXDC Super Glide Custom | - | - |
| 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 | FLSTC Heritage Softail Classic | - | - |
| 1988-1999 | Harley-Davidson | FXSTS Springer Softail | - | - |
| 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 | FXEF Fat Bob | - | - |
| 1985 | Harley-Davidson | FXSB Low Rider - Belt | - | - |
| 1985 | Harley-Davidson | Electra Glide Standard FLHT | - | - |
| 1984-1998 | Harley-Davidson | FLHTC Electra Glide Classic | - | - |
| 1984-1993, 1999 | 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 | CYLINDER HEAD KIT |
| MODEL | SUPER STOCK |
| BASE COLOR | SILVER |
| FINISH | NATURAL |
| COLOR/FINISH | ALUMINUM |
| MATERIAL | ALUMINUM / STAINLESS STEEL |
| UNITS | PAIR |
| RIDING STYLE | STREET |
Delivery Info
Please Note - Warehouse Locations For This Part -
S&S CYCLE S&S® Super Stock® Cylinder Head Kit For 3-1/2" and 3-5/8" Bore HD® '84-'99 Big Twins - Natural Aluminum Finish - 90-1004
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.