NGK Iridium IX Spark Plugs TR 55 1 IX
NGK Iridium IX Spark Plugs TR 55 1 IX
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Shipping details
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Need help with a return? Request authorization within 30 days of delivery for eligible unused, uninstalled items. See details for exclusions and applicable fees.
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Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.
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Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.
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After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.
Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.
For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.
Specifications
Product details shared across all variants.
- Product type
- Spark Plug
- Category
- Spark Plugs
- Item condition
- New
- Shipping dimensions (L × W × H)
- Shipping weight
- 0.3 lb
- Barcode
- 087295173169
Billable shipping weight; may include dimensional weight.
NGK Iridium IX Spark Plugs TR 55 1 IX
NGK's IX Iridium Series Plugs were Designed Specifically for the Performance Enthusiast.
- Fine Wire Center Electrode Ensures High Durability and a Consistently Stable Spark
- Iridium Alloy has an Extremely High Melting Point, Perfect for Today's High-Tech, High Performance Engines
- Trivalent Metal Plating Provides Superior Anti-Corrosion and Anti-Seizing Properties
- Corrugated Ribs Prevent Flashover
- Pure Alumina Silicate Ceramic Insulator, Provides Superior Strength and Better Heat Transfer
- Copper Core Aids in Heat Removal
- Triple Seals Prevent Leakage
Plug Specifications
- Thread Size: 14mm
- Hex Size: 5/8" (16mm)
- Reach: 17.55mm (.691")
- Seat Type: Tapered
- Gap: .059" (0.1.5mm)
- Heat Range: 5
- Terminal Type: Solid
- Resistor: Yes
- Thread Pitch: 1.25mm
- Brand: NGK
Note: Picture is generic and may not represent actual product.
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1996 | Buick | Century | Limited |
| 1994 - 1996 | Buick | Century | Special, Base, Custom |
| 1994 - 1996 | Chevrolet | Beretta | Base, Z26 |
| 1995 - 1997 | Chevrolet | Cavalier | LS |
| 1994 | Chevrolet | Cavalier | VL |
| 1994 - 1997 | Chevrolet | Cavalier | Z24, RS, Base |
| 1994 - 1996 | Chevrolet | Corsica | Base |
| 1994 - 1995 | Chevrolet | LLV | Base |
| 1994 - 1997 | Chevrolet | S10 | SS, Base, LS, ZR2 |
| 1987 - 1991 | Ford | Country Squire | Base, LX |
| 2003 | Ford | E-150 | XL, Base |
| 2003 | Ford | E-150 Club Wagon | XL, Chateau, XLT |
| 1998 - 2002 | Ford | E-150 Econoline | Base |
| 1998 - 2000 | Ford | E-150 Econoline | XL |
| 1998 - 2000 | Ford | E-150 Econoline Club Wagon | Custom |
| 2001 - 2002 | Ford | E-150 Econoline Club Wagon | XL |
| 1998 - 2002 | Ford | E-150 Econoline Club Wagon | XLT, Chateau |
| 2003 | Ford | E-250 | Base |
| 1998 - 2002 | Ford | E-250 Econoline | Base |
| 1998 - 2000 | Ford | E-250 Econoline | XL |
| 1991 - 1997 | Ford | Escort | Base |
| 1997 | Ford | Escort | Deportivo Equi, Deportivo |
| 1995 - 1997 | Ford | Escort | Equi, Mid, Aust |
| 1991 - 1996 | Ford | Escort | GT |
| 1995 | Ford | Escort | GT Equippe |
| 1994 | Ford | Escort | Lujo |
| 1991 - 2000 | Ford | Escort | LX |
| 1991 - 1995 | Ford | Escort | LX Sport |
| 1992 - 1993 | Ford | Escort | LX-E |
| 1998 - 2002 | Ford | Escort | SE |
| 1993 - 1997 | Ford | Escort | Sport |
| 2000 - 2002 | Ford | Escort | ZX2 |
| 1998 - 1999 | Ford | Escort | ZX2 Cool Coupe, ZX2 Equi, ZX2 Hot Coupe, SE Equi, ZX2 Tipico |
| 1999 - 2000 | Ford | Escort | ZX2 S/R |
| 2006 - 2010 | Ford | Explorer | Limited, XLT, Eddie Bauer |
| 2006 | Ford | Explorer | XLS |
| 2010 | Ford | Explorer | XLT Base |
| 2007 - 2010 | Ford | Explorer Sport Trac | Base, XLT, Limited |
| 1998 - 1999 | Ford | F-150 | Austera |
| 1998 - 2000 | Ford | F-150 | Base |
| 2007 - 2008 | Ford | F-150 | FX2 |
| 2005 - 2008 | Ford | F-150 | FX4, Flotillera, STX |
| 2000 - 2008 | Ford | F-150 | Harley-Davidson Edition |
| 2001 - 2008 | Ford | F-150 | King Ranch |
| 1999 - 2003 | Ford | F-150 | Lightning |
| 1998 - 2008 | Ford | F-150 | XL, Lariat, XLT |
| 2008 | Ford | F-150 | XTR, Limited, THE 60TH ANNIVERSARY EDITION |
| 2004 | Ford | F-150 Heritage | XLT, SVT Lightning, XL |
| 2002 | Ford | Focus | Base, Manual |
| 2003 - 2004 | Ford | Focus | High, Mid |
| 2000 - 2004 | Ford | Focus | LX, SE, ZTS, ZX3 |
| 2000 | Ford | Focus | Sony Limited Edition |
| 2002 - 2004 | Ford | Focus | ZX5, SVT, ZTW |
| 2006 - 2007 | Ford | Freestar | Sport, LX Base, SE, Limited, LX Plus, Base, SEL |
| 1985 - 1986 | Ford | LTD | Base, Crown Victoria, Country Squire, Brougham |
| 1986 | Ford | LTD | Crown Victoria LX, Country Squire LX |
| 1985 | Ford | LTD | LX Brougham |
| 1987 - 1991 | Ford | LTD Crown Victoria | S, Base, LX |
| 1994 - 2010 | Ford | Mustang | Base |
| 1997 | Ford | Mustang | Cobra |
| 1994 | Ford | Mustang | Convertible |
| 1985 - 2010 | Ford | Mustang | GT |
| 2005 - 2008 | Ford | Mustang | GT Base |
| 2005 - 2009 | Ford | Mustang | GT Equipado |
| 1995 | Ford | Mustang | GTS, SVT Cobra R |
| 1996 - 1997 | Ford | Mustang | High |
| 2007 - 2009 | Ford | Mustang | Lujo |
| 1998 | Ford | Mustang | Semi-Equipado, Equipado |
| 2008 - 2010 | Ford | Mustang | Shelby |
| 2007 - 2008 | Ford | Mustang | Shelby GT |
| 2007 - 2010 | Ford | Mustang | Shelby GT500 |
| 2008 - 2009 | Ford | Mustang | Shelby GT500KR, Bullitt |
| 1985 - 1986 | Ford | Mustang | SVO, LX |
| 1994 - 1998 | Ford | Mustang | SVT Cobra |
| 2008 - 2011 | Ford | Ranger | Base |
| 2001 - 2005 | Ford | Ranger | Edge |
| 2001 - 2002 | Ford | Ranger | EV |
| 2005 - 2009 | Ford | Ranger | FX4 |
| 2006 - 2010 | Ford | Ranger | Limited |
| 2002 | Ford | Ranger | Postal |
| 2002 - 2011 | Ford | Ranger | Sport |
| 2005 - 2007 | Ford | Ranger | STX |
| 2004 | Ford | Ranger | Tremor |
| 2001 - 2011 | Ford | Ranger | XLT, XL |
| 1988 - 1991 | Ford | Taurus | Base |
| 1988 - 1992 | Ford | Taurus | L |
| 1988 - 1995 | Ford | Taurus | LX, GL |
| 1988 | Ford | Taurus | MT5 |
| 1995 | Ford | Taurus | SE |
| 1989 - 1995 | Ford | Taurus | SHO |
| 1984 - 1996 | Ford | Thunderbird | Base |
| 1984 - 1986 | Ford | Thunderbird | Elan |
| 1985 - 1990 | Ford | Thunderbird | Equipado |
| 1984 - 1985 | Ford | Thunderbird | Fila |
| 1984 - 1997 | Ford | Thunderbird | LX |
| 1984 - 1988 | Ford | Thunderbird | Sport, Turbo |
| 1989 - 1995 | Ford | Thunderbird | Super Coupe |
| 1991 - 1994 | Ford | Thunderbird | V8 |
| 1995 | Ford | Windstar | GL Plus, GL, Base, LX |
| 1994 - 1997 | GMC | Sonoma | SL, SLE, SLS |
| 1996 - 1997 | Isuzu | Hombre | XS, S |
| 2006 | Land Rover | LR3 | Base |
| 2009 | Land Rover | LR3 | HSE Lux |
| 2005 - 2009 | Land Rover | LR3 | SE, HSE |
| 1986 - 1994 | Lincoln | Continental | Base |
| 1991 - 1994 | Lincoln | Continental | Executive |
| 1986 - 1987 | Lincoln | Continental | Givenchy |
| 1988 - 1994 | Lincoln | Continental | Signature |
| 1984 - 1987 | Lincoln | Mark VII | LSC, Bill Blass, Base |
| 1984 - 1985 | Lincoln | Mark VII | Versace |
| 1986 - 1990 | Lincoln | Town Car | Base, Cartier, Signature |
| 1990 | Lincoln | Town Car | Executive, Touring Edition, Cypress |
| 1989 | Lincoln | Town Car | Signature SE |
| 2002 - 2009 | Mazda | B4000 | Base |
| 2001 - 2009 | Mazda | B4000 | DS |
| 2001 - 2010 | Mazda | B4000 | SE |
| 1986 | Mercury | Capri | 5.0 |
| 1984 - 1986 | Mercury | Capri | GS |
| 1984 - 1985 | Mercury | Capri | RS |
| 1984 | Mercury | Capri | RS Turbo |
| 1987 - 1991 | Mercury | Colony Park | GS, LS |
| 1985 - 1986 | Mercury | Cougar | Base |
| 1985 - 1992 | Mercury | Cougar | LS |
| 1985 - 1997 | Mercury | Cougar | XR-7 |
| 1986 - 1989 | Mercury | Grand Marquis | Base |
| 1986 | Mercury | Grand Marquis | Colony Park |
| 1987 - 1991 | Mercury | Grand Marquis | GS |
| 1986 - 1991 | Mercury | Grand Marquis | LS |
| 1983 - 1986 | Mercury | Marquis | Brougham, Base |
| 2004 - 2005 | Mercury | Monterey | Base, Premier |
| 2005 - 2007 | Mercury | Monterey | Luxury |
| 2007 - 2010 | Mercury | Mountaineer | Base |
| 2006 | Mercury | Mountaineer | Convenience, Luxury |
| 2006 - 2010 | Mercury | Mountaineer | Premier |
| 1988 - 1995 | Mercury | Sable | LS, GS |
| 1995 | Mercury | Sable | LTS |
| 1991 - 1996 | Mercury | Tracer | Base, LTS |
| 1997 - 1999 | Mercury | Tracer | GS |
| 1991 - 1999 | Mercury | Tracer | Trio, LS |
| 1994 - 1996 | Oldsmobile | Cutlass Ciera | Base |
| 1994 | Oldsmobile | Cutlass Ciera | SL, S |
| 1997 | Pontiac | Sunfire | Base |
| 1995 - 1997 | Pontiac | Sunfire | SE, GT |
