Description
S&S Cycle - 33-5108 - 640 Cam - Evolution
Features
- S&S Cams are tested on the dyno, street and track before being offered to the public
- With hundreds of hours of testing on each cam, you know you are getting the best cam S&S can produce
- For large displacement engines (110"+) with 10.5 to 11.5:1 compression and smaller engines (96-107") with 11 to 12:1 compression
- Requires high-lift springs
- Less overlap and fast ramps build higher cylinder pressure
- Lower TDC lift makes installation easier
- Designed for use with hydraulic tappets
- Installer must check coil bind, valve-to-valve clearance, valve-to-piston clearance and cam lobe to case clearance.
- Made in the U.S.A.
Specs
| Intake Lobe Centerline Imperial | 107.5° |
| Intake Open Imperial | 25° |
| Product Name | Cam |
| Riding Style | Street |
| Exhaust Close Imperial | 20° |
| Grind | 640 Series |
| Intake Duration Imperial | 265° |
| Exhaust Lift at TDC Imperial | 0.192'' |
| Intake Lift at TDC Imperial | 0.222'' |
| Type | Gear |
| Application | Intake |
| Intake Close Imperial | 60° |
| Intake Lift Imperial | 0.640'' |
| Units | Each |
| Application | Exhaust |
| Exhaust Duration Imperial | 265° |
| Exhaust Lift Imperial | 0.640'' |
| Exhaust Lobe Centerline Imperial | 112.5'' |
| Exhaust Open Imperial | 65° |
Fitment
| 1984 | Harley-Davidson | Disc Glide FXRDG |
| 1995-1998 | Harley-Davidson | Dyna Convertible FXDS-CONV |
| 1992 | Harley-Davidson | Dyna Daytona FXDB |
| 1992 | Harley-Davidson | Dyna Glide Custom FXDC |
| 1995-1998 | Harley-Davidson | Electra Glide Classic EFI FLHTCI |
| 1984-1998 | Harley-Davidson | Electra Glide Classic FLHTC |
| 1987-1993 | Harley-Davidson | Electra Glide Sport FLHS |
| 1985-1987, 1995-1998 | Harley-Davidson | Electra Glide Standard FLHT |
| 1995-1998 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI |
| 1989-1998 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU |
| 1985 | Harley-Davidson | Fat Bob FXEF |
| 1999 | Harley-Davidson | FXR 2 |
| 1999 | Harley-Davidson | FXR 3 |
| 2000 | Harley-Davidson | FXR 4 |
| 1985 | Harley-Davidson | Low Glide Custom FXRC |
| 1984-1985 | Harley-Davidson | Low Glide FXRS |
| 1987 | Harley-Davidson | Low Rider Chrome FXRC |
| 1990-1993 | Harley-Davidson | Low Rider Convertible FXRS-CONV |
| 1987-1994 | Harley-Davidson | Low Rider Custom FXLR |
| 1993-1998 | Harley-Davidson | Low Rider FXDL |
| 1986-1993 | Harley-Davidson | Low Rider FXRS |
| 1985 | Harley-Davidson | Low Rider FXSB |
| 1988-1993 | Harley-Davidson | Low Rider Sport FXRS-SP |
| 1998 | Harley-Davidson | Road Glide EFI FLTR |
| 1998 | Harley-Davidson | Road Glide FLTR |
| 1998 | Harley-Davidson | Road King Classic EFI FLHRC |
| 1996-1998 | Harley-Davidson | Road King EFI FLHR |
| 1994-1998 | Harley-Davidson | Road King FLHR |
| 1995-1997 | Harley-Davidson | Softail Bad Boy FXSTSB |
| 1986-1999 | Harley-Davidson | Softail Custom FXSTC |
| 1990-1999 | Harley-Davidson | Softail Fat Boy FLSTF |
| 1987-1999 | Harley-Davidson | Softail Heritage Classic FLSTC |
| 1986-1990 | Harley-Davidson | Softail Heritage FLST |
| 1994-1996 | Harley-Davidson | Softail Heritage Special FLSTN |
| 1997-1999 | Harley-Davidson | Softail Heritage Springer FLSTS |
| 1999 | Harley-Davidson | Softail Night Train FXSTB |
| 1993 | Harley-Davidson | Softail Nostalgia FLSTN |
| 1988-1999 | Harley-Davidson | Softail Springer FXSTS |
| 1984-1993, 1999 | Harley-Davidson | Softail Standard FXST |
| 1984-1993 | Harley-Davidson | Sport Glide FXRT |
| 1986 | Harley-Davidson | Sport Glide Grand Touring FXRD |
| 1995-1998 | Harley-Davidson | Super Glide FXD |
| 1986-1994 | Harley-Davidson | Super Glide FXR |
| 1984-1994 | Harley-Davidson | Tour Glide Classic FLTC |
| 1996 | Harley-Davidson | Tour Glide Ultra Classic EFI FLTCU |
| 1989-1996 | Harley-Davidson | Tour Glide Ultra Classic FLTCU |
| 1993-1998 | Harley-Davidson | Wide Glide FXDWG |
| 1985-1986 | Harley-Davidson | Wide Glide FXWG |
