3903 Spark plug Iridium IX BPR6EIX-11
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Specifications
- Brand
- NGK
- Part Number
- 3903
- OEM Reference
- —
- Pack Quantity
- Each
- Category
- Spark Plugs
- VAT Rate
- 20%
About This Product
NGK Iridium IX BPR6EIX-11 spark plug. Replaces OEM 6R7. One step cooler for 1984 to 1999 Evolution Big Twins, 1975 to early 1982 FL Shovelheads, and 1975 to early 1978 FX Shovelheads. Standard performance upgrade for 1983 to 1985 XR1000 models. Fine iridium tip gives stable spark and resists fouling. Improves throttle response and acceleration. Lasts significantly longer than traditional copper plugs.
Manufacturer part number: 3903.
Fitment
89 models1 step cooler: 84-99 Evo Big Twin; 75-E82 FL Shovel; 75-E78 FX ShovelStandard: 83-85 XR1000
CVO/Custom 2 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1999 | CVO Dyna Super Glide FXR2 |
| Harley-Davidson | 1999 | CVO Dyna Super Glide FXR3 |
Dyna 6 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1993–1998 | Dyna Low Rider FXDL |
| Harley-Davidson | 1991 | Dyna Sturgis FXDB |
| Harley-Davidson | 1994–1998 | Dyna Super Glide Convertible FXDS |
| Harley-Davidson | 1995–1998 | Dyna Super Glide FXD |
| Harley-Davidson | 1993–1998 | Dyna Wide Glide FXDWG |
| Harley-Davidson | 1992 | Super Glide Custom FXDC |
FL Shovel 22 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1978–1983 | Electra Glide FLH |
| Harley-Davidson | 1978 | Electra Glide FLH 80 FLH-80 |
| Harley-Davidson | 1978 | Electra Glide FLH-1200 |
| Harley-Davidson | 1979–1980 | Electra Glide FLH-80 |
| Harley-Davidson | 1981 | Electra Glide FLHS |
| Harley-Davidson | 1980 | Electra Glide FLHS-80 |
| Harley-Davidson | 1984 | FLH Police 80 FLH |
| Harley-Davidson | 1981 | Glide Classic FLHC |
| Harley-Davidson | 1980 | Glide Classic FLHC-80 |
| Harley-Davidson | 1983 | Glide Classic FLHT |
| Harley-Davidson | 1982–1984 | Police Electra Glide FLH-1200 |
| Harley-Davidson | 1981–1984 | Police Electra Glide FLH-80 |
| Harley-Davidson | 1983 | Police FLH |
| Harley-Davidson | 1979 | Police FLH 80 FLHP-80 |
| Harley-Davidson | 1980 | Police FLH-1200 FLH-1200 |
| Harley-Davidson | 1980 | Touring Electra Glide Classic FHL-80 |
| Harley-Davidson | 1981–1982 | Touring Electra Glide Classic FLHC |
| Harley-Davidson | 1979 | Touring Electra Glide Classic FLHC-80 |
| Harley-Davidson | 1983–1984 | Touring Electra Glide Classic FLHTC |
| Harley-Davidson | 1984 | Touring Electra Glide FLH |
| Harley-Davidson | 1978–1983 | Touring Electra Glide FLH-80 |
| Harley-Davidson | 1981–1984 | Touring Electra Glide Sport FLHS |
FX Shovel 6 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1978–1979 | FX Super Glide FXE-1200 |
| Harley-Davidson | 1978 | FX Super Glide FXS-1200 |
| Harley-Davidson | 1979 | FX Super Glide FXS-80 |
| Harley-Davidson | 1979 | FX Super Glide Fat Bob FXEF-1200 |
| Harley-Davidson | 1979 | FX Super Glide Fat Bob FXEF-80 |
| Harley-Davidson | 1978 | Super Glide 1200 FX-1200 |
FXR 19 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1989–1990 | FXR Convertible FXRS |
| Harley-Davidson | 1985–1987 | FXR Custom FXRC |
| Harley-Davidson | 1985–1990 | FXR Low Glide FXRS |
| Harley-Davidson | 1987–1990 | FXR Low Rider FXLR |
| Harley-Davidson | 1986–1993 | FXR Sport FXRS-SP |
| Harley-Davidson | 1986–1988 | FXR Super Glide FXR |
| Harley-Davidson | 1986 | FXR Touring FXRD |
| Harley-Davidson | 1984–1989 | FXR Touring FXRT |
| Harley-Davidson | 1991–1992 | Low Rider Custom FXLR |
| Harley-Davidson | 1991–1992 | Low Rider FXRS |
| Harley-Davidson | 1992 | Low Rider Sport Edition FXRS-SP |
| Harley-Davidson | 1984–1995 | Police Low Rider FXRP |
| Harley-Davidson | 1991 | Sport Glide FXRT |
| Harley-Davidson | 1993 | Super Glide Convertible FXRS |
| Harley-Davidson | 1992–1994 | Super Glide FXR |
| Harley-Davidson | 1994 | Super Glide Low Rider FXLR |
| Harley-Davidson | 1991–1994 | Super Glide Police (Fairing) FXRP |
| Harley-Davidson | 1992 | Super Glide Police (Frg/Wnd) FXRP-WND |
| Harley-Davidson | 1991–1994 | Super Glide Police (Windshield) FXRP |
Police 2 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1991–1994 | Electra Glide Standard Police (Fairing) FLHTP |
| Harley-Davidson | 1991–1994 | Electra Glide Standard Police (Windshield) FLHTP |
Softail 15 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1985 | FX Low Rider FXSB |
| Harley-Davidson | 1985 | FX Super Glide Fat Bob FXEF |
| Harley-Davidson | 1992–1999 | Fat Boy FLSTF |
| Harley-Davidson | 1991–1999 | Heritage Softail Classic FLSTC |
| Harley-Davidson | 1994–1996 | Heritage Softail Nostalgia FLSTN |
| Harley-Davidson | 1997–1999 | Heritage Springer FLSTS |
| Harley-Davidson | 1999 | Night Train FXSTB |
| Harley-Davidson | 1986–1999 | Softail Custom FXSTC |
| Harley-Davidson | 1990 | Softail Fat Boy FLSTF |
| Harley-Davidson | 1987–1990 | Softail Heritage Classic FLSTC |
| Harley-Davidson | 1987–1990 | Softail Heritage FLST |
| Harley-Davidson | 1988–1990 | Softail Springer FXSTS |
| Harley-Davidson | 1984–1999 | Softail Standard FXST |
| Harley-Davidson | 1991–1999 | Springer Softail FXSTS |
| Harley-Davidson | 1995–1997 | Springer Softail FXSTSB |
Touring 17 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1992–1997 | Electra Glide Classic FLHTC |
| Harley-Davidson | 1997 | Electra Glide Classic FLHTCI |
| Harley-Davidson | 1991–1994 | Electra Glide Sport FLHS |
| Harley-Davidson | 1995–1997 | Electra Glide Standard FLHT |
| Harley-Davidson | 1981 | Glide Classic FLTC |
| Harley-Davidson | 1994–1997 | Road King FLHR |
| Harley-Davidson | 1996–1997 | Road King FLHRI |
| Harley-Davidson | 1982–1984 | Tour Glide Classic FLT |
| Harley-Davidson | 1992 | Tour Glide Classic FLTC |
| Harley-Davidson | 1979–1984 | Tour Glide FLT |
| Harley-Davidson | 1991–1995 | Tour Glide Ultra Classic FLTCU |
| Harley-Davidson | 1986–1988 | Touring Electra Glide Classic FLHTC |
| Harley-Davidson | 1987–1990 | Touring Electra Glide Sport FLHS |
| Harley-Davidson | 1984–1990 | Touring Tour Glide Classic FLTC |
| Harley-Davidson | 1989 | Touring Tour Glide Classic Ultra FLTCU |
| Harley-Davidson | 1991–1997 | Ultra Classic FLHTCU |
| Harley-Davidson | 1996–1997 | Ultra Classic FLHTCUI |
Planning other changes? Find your model in the bike customiser.
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