Membership
Shop by Vehicle
Track Order
Contact Us
Product Details
S&S Cycle Cylinder Heads For Harley Big Twin Evo
Elevate your motorcycle's performance effortlessly with these bolt-in heads, designed for compatibility with stock flat top pistons. No need for expert engineering skills—simply install to enhance power. Ideal for use with stock components, their potential is fully unleashed with an optimized exhaust, air cleaner, and cam setup, courtesy of included high-lift springs. Adjustable pushrods complement the setup well, though aren't mandatory. Remember, gaskets are essential for a complete installation.
Features:
- Kits are fully assembled, and include stainless steel valves and high-lift (.585") springs
- Optimized for smaller displacement engines
- Slight increase in compression (8.8:1 in an 80" motor) with 82cc chamber volume
- Port design increases flow while maintaining velocity
- Set up for .585" maximum lift
- EFI compatible
- Available in silver powder-coat or black powder-coat finish
- Sold in pairs
- Made in the USA
| Product Style | J&P Cycles Item # | Catalog Number | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|---|
| Product Style Black | J&P Cycles Item #959936 | Catalog Number423-903 | Store Sku | MFR. Product #106-4570 | AvailabilityOnly 2 Left: Ships within 24 hours |
| Product Style Silver | J&P Cycles Item #959935 | Catalog Number423-904 | Store Sku | MFR. Product #106-3466 | AvailabilityIn Stock: Ships within 24 hours |
- Harley Davidson
- Disc Glide FXRDG 1984
- Dyna Convertible FXDS 1994, 1995, 1996, 1997, 1998
- Dyna Glide Custom FXDC 1992
- Dyna Glide Daytona FXDB-D 1992
- Dyna Glide Sturgis FXDB-S 1991
- Dyna Low Rider FXDL/I 1993-1998
- Dyna Super Glide FXD/I 1995, 1996, 1997, 1998
- Dyna Wide Glide FXDWG/I 1993-1998
- Electra Glide Classic FLHTC/I 1984-1998
- Electra Glide Special FLHX 1984
- Electra Glide Sport FLHS 1984-1993
- Electra Glide Standard FLHT/I 1984-1998
- Electra Glide Ultra Classic FLHTCU/I 1989-1998
- Fat Bob FXEF 1985
- FLH 1984, 1985
- Low Glide/Low Rider FXRS 1984-1993
- Low Rider Chrome FXRC 1985, 1986, 1987, 1988
- Low Rider Custom FXLR 1987-1994
- Low Rider Sport FXRS-SP 1987-1993
- Road Glide FLTR/I 1998
- Road King Classic FLHRC/I 1998
- Road King FLHR/I 1994, 1995, 1996, 1997, 1998
- Softail Bad Boy Springer FXSTSB 1995, 1996, 1997
- Softail Custom FXSTC/I 1986-1999
- Softail Deuce FXSTD/I 1999
- Softail Fat Boy FLSTF/I 1990-1999
- Softail Heritage Classic FLSTC/I 1987-1999
- Softail Heritage FLST/I 1986, 1987, 1988, 1989, 1990
- Softail Heritage Springer FLSTS/I 1997, 1998, 1999
- Softail Night Train FXSTB/I 1999
- Softail Nostalgia FLSTN/I 1993
- Softail Special FLSTN/I 1994, 1995, 1996
- Softail Springer FXSTS/I 1988-1999
- Softail Standard FXST/I 1984-1999
- Sport Glide FXRT 1984-1992
- Sport Glide Grand Touring FXRD 1986
- Super Glide FXE 1984, 1985
- Super Glide FXR 1994
- Tour Glide Classic FLTC/I 1984-1991
- Tour Glide FLT 1984, 1985, 1986
- Tour Glide Ultra Classic FLTCU/I 1989-1996
- Wide Glide FXWG 1984, 1985, 1986
S&S Cycle Cylinder Heads For Harley Big Twin Evo 1984-1999 Instructions
Related Videos
The Indian Larry Twisted Frame Chopper | J&P Custom Motorcycle Builds
150-Horsepower Harley-Davidson | J&P: Custom Motorcycle Builds
124 Cubic Inch Twin Cam FXR | J&P: Custom Motorcycle Builds
The First 8 Things You Should Change When Buying a Harley Davidson
