NGK DR9EIX Iridium Spark Plug
- Thread 12mm x hex 18mm x pitch 1.25mm
- Ceramic resistor
- Heat range 9
- 19mm (3/4") reach
- 0.6mm fine wire iridium centre electrode
- 0.7-0.8mm gap
Upgrade from the standard plug to NGK’s Iridium series for sharper performance and longer life. The ultra fine iridium centre electrode delivers a stronger, more consistent spark, improving throttle response, fuel efficiency, and cold starting. Iridium’s superior durability means less wear, longer service intervals, and reliable ignition even under extreme conditions. Key benefits over standard plugs:
- Stronger spark for improved combustion and throttle response
- Better fuel efficiency and smoother running
- Easier cold starts
- Longer lifespan thanks to iridium’s high melting point
- Reduced misfires and consistent performance under load
Before You Place Your Order...
- Note the image may not be exactly as item received and any slight difference will not be inferior or effect performance
- Check the fitment list to ensure this item will fit your vehicle
- When we refer to right or left, this is as you sit on your vehicle
- To find part by SKU, enter the number without "SKU" into the search box
- Products containing any fluid or hazardous materials, aerosols, batteries including large lithium jump starters cannot be shipped overseas due to courier restrictions although we can ship UK offshore and Scottish Highlands at higher shipping rates
- EU customers should check with your countries customs office to determine what additional costs such as tax or Import duties will be prior to purchasing. These charges are normally collected by the delivery company or when you pick the item up, they are not included in the item price or shipping charge on this website
All parts and accessories are brand new and include VAT where applicable.
Most parts are pattern or aftermarket although some will be genuine but are not always stated as being so.
The use of motorcycle manufacturers' names is for reference purposes only. We do not imply that the products we sell are made by or with the permission of the names listed.
Compatible Bimota Models
- Bimota Tesi 1D (851cc) 1991-1992
- Bimota Tesi 1D SR (904cc) 1991-1992
- Bimota Tesi SE (904cc) 1993-1996
Compatible Ducati Models
- Ducati 851 SP 1988-1991
- Ducati 851 Strada 1989-1992
- Ducati 851 Strada Biposto 1990-1992
- Ducati 888 Strada 1992-1994
Compatible Honda Models
- Honda CB250 RSC (Electric Start) 1982
- Honda CB250 RSD (Electric Start) 1983
- Honda CB400 N Super Dream 1978-1979
- Honda CB400 NA Super Dream 1979-1981
- Honda CB400 NB Super Dream 1981-1982
- Honda CB400 NC Super Dream 1982-1984
- Honda CB400 T Dream 1978-1980
- Honda CB750 F2C 1982
- Honda CB750 F2D 1983
- Honda CB750 FA 1980
- Honda CB750 FB 1981-1982
- Honda CB750 FC 1982
- Honda CB750 FD 1983
- Honda CB900 F2C 1982
- Honda CB900 F2D 1983
- Honda CB900 FA 1980
- Honda CB900 FB 1981
- Honda CB900 FC 1982
- Honda CB900 FD 1983
- Honda CB900 FZ 1979
- Honda CM400 T 1979-1981
- Honda FT500 Ascot 1982-1985
Compatible Kawasaki Models
- Kawasaki BJ250 A/B/C Estrella 1992-2002
- Kawasaki EN450 A LTD 1985-1990
- Kawasaki EN500 A Vulcan 1990-1993
- Kawasaki EN500 B Vulcan 1994-1995
- Kawasaki EN500 C Vulcan LTD 1996-2009
- Kawasaki ER-5 (ER500A) 1996-2000
- Kawasaki ER-5 (ER500C) 2001-2007
- Kawasaki GPX600 R (ZX600-C1) 1988
- Kawasaki GPX600 R (ZX600-C10) 1997
- Kawasaki GPX600 R (ZX600-C2) 1989
- Kawasaki GPX600 R (ZX600-C3) 1990
- Kawasaki GPX600 R (ZX600-C4) 1991
- Kawasaki GPX600 R (ZX600-C5) 1992
- Kawasaki GPX600 R (ZX600-C6) 1993
- Kawasaki GPX600 R (ZX600-C7) 1994
- Kawasaki GPX600 R (ZX600-C8) 1995
- Kawasaki GPX600 R (ZX600-C9) 1996
- Kawasaki GPX750 R (ZX750F) Ninja 1986-1991
- Kawasaki GPZ1000 RX (ZX1000A) 1985-1989
- Kawasaki GPZ500 S (EX500A) 1987-1993
- Kawasaki GPZ500 S (EX500D) 1994-2009
- Kawasaki GPZ500 S (EX500E) 1994-2004
- Kawasaki GPZ550 H 1982-1984
- Kawasaki GPZ600 R (ZX600-A) 1984, 1990
- Kawasaki GPZ600 R (ZX600-A1) 1985
- Kawasaki GPZ600 R (ZX600-A2) 1986
- Kawasaki GPZ600 R (ZX600-A3) 1987
- Kawasaki GPZ600 R (ZX600-A4/A4A) 1988
- Kawasaki GPZ600 R (ZX600-A5/A5A) 1989
- Kawasaki GPZ750 R (ZX750G) 1984-1988
- Kawasaki GPZ900 R (ZX900A) Ninja 1984-1998
- Kawasaki GT550 (Z550G) 1983-1989, 1991-2001
- Kawasaki GT750 (Z750P) 1992-1996
- Kawasaki GTR1000 (ZG1000A) 1986-2005
- Kawasaki KLE500 A 1991-2005
- Kawasaki KLE500 B 2005-2007
- Kawasaki KLF185 A Bayou 1985-1988
- Kawasaki KLF220 A Bayou 1988-2002
- Kawasaki Z250 A1 (Twin) 1978-1979
- Kawasaki Z250 A2 (Twin) 1980
- Kawasaki Z250 A3 (Twin) 1981-1982
- Kawasaki Z250 B (Twin) 1980-1983
- Kawasaki Z305 (KZ305A) CSR 1981-1982
- Kawasaki Z305 (KZ305B) CSR Belt 1982
- Kawasaki Z305 (KZ305B) LTD 1987-1988
- Kawasaki Z550 (KZ550A) 1980-1982
- Kawasaki Z550 F (ZR550A) 1983-1984
- Kawasaki ZL1000 A Eliminator 1987-1990
- Kawasaki ZL600 B1 Eliminator 1995
- Kawasaki ZL600 B2 Eliminator 1996
- Kawasaki ZL600 B3 Eliminator 1997
- Kawasaki ZR-7 (ZR750-F1) 1999
- Kawasaki ZR-7 (ZR750-F2) 2000
- Kawasaki ZR-7 (ZR750-F3) 2001
- Kawasaki ZR-7 (ZR750-F4) 2002
- Kawasaki ZR-7 (ZR750-F5) 2003
- Kawasaki ZR-7 (ZR750-F6) 2004
- Kawasaki ZR-7S (ZR750-H1) 2001
- Kawasaki ZR-7S (ZR750-H2) 2002
- Kawasaki ZR-7S (ZR750-H3) 2003
- Kawasaki ZR-7S (ZR750-H4) 2004
- Kawasaki ZR-7S (ZR750-H5) 2005
- Kawasaki ZR400 A (Z400F) 1983
- Kawasaki ZR400 B (Z400F) 1984
- Kawasaki ZR550 B Zephyr 1991-2000
- Kawasaki ZR750 C1 Zephyr 1991
- Kawasaki ZR750 C2 Zephyr 1992
- Kawasaki ZR750 C3 Zephyr 1993
- Kawasaki ZR750 C4 Zephyr 1994
- Kawasaki ZR750 C5 Zephyr 1995
- Kawasaki ZR750 D1 Zephyr 1996
- Kawasaki ZR750 D2 Zephyr 1997
Compatible KTM Models
- KTM 450 Rally Factory Replica 2004
- KTM 660 Rallye 2001-2002
- KTM 660 Rallye Factory Replica 2003-2006
Compatible Laverda Models
- Laverda 500 Montjuic Mk1 1979-1980
- Laverda 500 Montjuic Mk2 1981-1983
- Laverda Alpino 500 1977
- Laverda Alpino S 500 1978
Compatible Moto Guzzi Models
- Moto Guzzi 1000 V10 Centauro 1996-1998
- Moto Guzzi 1000 V10 Centauro GT 1998-1999
- Moto Guzzi 1000 V10 Centauro Sport 1998-1999
- Moto Guzzi Daytona 1000 1991-1996
- Moto Guzzi Daytona Racing 1000 1996
- Moto Guzzi Daytona RS 1000 1997-1998
Compatible Suzuki Models
- Suzuki GS1150 1984-1986
- Suzuki GS250 T (4T) (Twin) 1980-1981
- Suzuki GS300 L 1982-1983, 1985
- Suzuki GS550 EF 1983-1986
- Suzuki GS550 ES 1983-1986
- Suzuki GS550 L (USA Custom) 1983, 1985-1986
- Suzuki GSF1200 A Bandit (Naked) (ABS) 2006
- Suzuki GSF1200 Bandit (Naked) 1996-2006
- Suzuki GSF1200 S Bandit (Half Faired) 1996-2006
- Suzuki GSF1200 SA Bandit (Half Faired) (ABS) 1997, 2006
- Suzuki GSF1200 Z Bandit 2005
- Suzuki GSX1100 E 1984-1986
- Suzuki GSX1100 EF 1984-1986
- Suzuki GSX1100 ES 1984-1986
- Suzuki GSX1100 F 1988-1994
- Suzuki GSX1100 G (Shaft Drive) 1991-1994
- Suzuki GSX1200 Inazuma 1998-2002
- Suzuki GSX250 E 1980-1983
- Suzuki GSX550 EF (Fully Faired) 1984-1988
- Suzuki GSX550 ES (Half Faired) 1983-1988
- Suzuki GSX600 F 1988-1997
- Suzuki GSXR1100 G 1986
- Suzuki GSXR1100 H 1987
- Suzuki GSXR1100 J 1988
- Suzuki GSXR1100 K 1989
- Suzuki GSXR1100 L 1990
- Suzuki GSXR1100 M 1991
- Suzuki GSXR1100 N 1992
- Suzuki GSXR750 F 1985
- Suzuki GSXR750 G 1986
- Suzuki GSXR750 H 1987
- Suzuki GSXR750 R 1986
- Suzuki TU250 X 1997-2000
- Suzuki XN85 Turbo (650cc) 1983-1986
Compatible Yamaha Models
- Yamaha XS500 (Alloy Wheels) 1976-1978
- Yamaha XZ550 1985-1986
