1975 Jaguar XJ12 Spark Plugs

Essential 1975 Jaguar XJ12 Spark Plugs

Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP103)

Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life

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$6.79
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.

Product Features:
  • Works to optimize engine performance for a longer life and improved fuel economy
  • OE design
  • Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
  • Platinum ball welding process provides a consistent point of contact for enhanced adhesion
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Dorman – Help – Spark Plug Non-Foulers – 14mm Tapered Seat (Part No.42008)

Spark Plug Non-Foulers - 14mm Tapered Seat

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$9.99
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles
  • Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
  • Durable construction – made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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NGK – OE Series Standard Nickel Spark Plug: Conventional Tip Design, BPR6ES (Part No.7131)

OE Series Standard Nickel Spark Plug: Conventional Tip Design, BPR6ES

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$3.99
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode provides consistent performance
  • RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
  • NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
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DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT22 (Part No.5327)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT22

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$11.29
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

Product Features:
  • World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
  • Patented 360-degree laser welding assembly process
  • U-groove and taper cut ground electrode to maximize flame propagation.
  • Withstands temperatures greater than 4000¦ Fahrenheit
  • Burnished nickel plating for high temperature endurance and superior corrosion resistance
  • Wide range of part numbers for thousands of applications, including classic and collector cars
  • Iridium Power
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Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS9YC (Part No.304)

Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS9YC

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$3.99
The Champion Spark Plug Copper Plus Spark Plug RS9YC is a reliable and high-performing OE replacement spark plug. It features a copper core center electrode that provides accurate control of heat range, ensuring optimal performance and fuel efficiency. The spark plug is built to ISO and SAE standards, ensuring proven performance and durability. The center electrode tip material is made of nickel, while the resistor type is designed to reduce electromagnetic interference. The tapered seat type ensures a secure fit and easy installation. Overall, the Champion Spark Plug Copper Plus Spark Plug RS9YC is a dependable choice for those seeking a high-quality spark plug replacement that delivers consistent performance and fuel efficiency.
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Built to ISO and SAE standards for proven performance
  • Built to ISO and SAE standards for proven performance
  • Dependable Performance: The Copper Plus Spark Plug is designed to provide reliable and consistent performance, ensuring that your vehicle runs smoothly and efficiently.
  • OE Replacement: This spark plug is an exact replacement for the original equipment (OE) part, ensuring a perfect fit and optimal performance.
  • Nickel Center Electrode Tip Material: The center electrode tip of this spark plug is made from nickel, which provides superior conductivity and durability compared to other materials.
  • Tapered Seat Type with Resistor: The tapered seat type of this spark plug ensures a secure fit in the engine block, while the built-in resistor helps reduce electromagnetic interference for improved performance.
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    E3 – DiamondFIRE Automotive Spark Plug: More Power, Saves Gas (Part No.E3.46)

    DiamondFIRE Automotive Spark Plug: More Power, Saves Gas

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    $7.49
    The Spark Plugs are the product of years of fundamental research in the combustion field. The unique patented electrode configuration of these new The spark plugs increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines. E3.46 is a 14mm, 0.750 reach plug with a gasket seat. It fits a wide variety of applications from the 60s to early 90s, especially import. E3.46 is widely stocked in automotive retail stores. The automotive plugs have three legs securing the Diamond FIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented Diamond FIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use.

    Product Features:
    • E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn.
    • Smoother Acceleration & Idle – The faster flame initiated by the The spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
    • Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
    • Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
    • E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
    • The Spark Plugs are pre-gapped at the factory and cannot be adjusted.
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    ACDelco – Copper Core Spark Plug: Original Equipment Replacement (Part No.R43XLS)

    Copper Core Spark Plug: Original Equipment Replacement

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    $4.99
    ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

    Product Features:
    • GM regularly updates production and service part designs to integrate new materials and technologies
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    ACDelco – Double Platinum Spark Plug (Part No.41-812)

    Double Platinum Spark Plug

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    $9.79
    ACDelco Gold (Professional) Double Platinum Spark Plug are a high quality alternative to Original Equipment (OE) parts. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

    Product Features:
    • One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life
    • Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system
    • Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance
    • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
    • Premium aftermarket replacement part
    • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
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    Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, N9YC (Part No.300)

    Copper Plus Spark Plug: Dependable Performance, OE Replacement, N9YC

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    $2.99
    Dependable performance. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

    Product Features:
    • Copper Plus – Dependable Performance and Durability
    • Copper core center electrode allows for accurate control of heat range for longer life
    • Superior corrosion resistance
    • Built to ISO and SAE standards for proven performance
    • Built to ISO and SAE standards for proven performance
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    Autolite – Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration (Part No.103)

    Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration

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    $3.49
    Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed OES design requirements. Consider upgrading to Autolite Platinum, Double Platinum or Iridium XP plugs for improved engine performance. Copper core plugs are the industry standard.

    Product Features:
    • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
    • Multi-rib insulator reduces danger of “flash-over”
    • One-piece terminal post adds strength
    • Resistor reduces radio frequency interference (RFI) and electrode erosion
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    Autolite – Racing Resistor Spark Plug: Enables Performance, Handles Intense Conditions (Part No.AR764)

    Racing Resistor Spark Plug: Enables Performance, Handles Intense Conditions

    from

    $3.99
    The ground electrode is cut-back from the center electrode to provide a gap. The face of the ground electrode is concave to provide a constant gap to the center electrode. This plug is designed use in all aftermarket cylinder heads used in different types of racing venues including oval and road racing.

    Product Features:
    • Opens spark face for better ignitability of flame kernel
    • Retains less heat, transfers heat to shell faster – reduces risk of pre-ignition
    • Dyno testing has shown proven power gains
    • Cut-back ground electrode evolved from practice of grinding back the side electrode
    See More

    DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IW20TT (Part No.4709)

    Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IW20TT

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    $10.99
    Durability of an OE style plug combined with Power & Torque of high performance.

    Product Features:
    • 0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
    • 0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
    • DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
    • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
    • Durability of an OE style plug combined with Power & Torque of high performance.
    • Withstands temperatures greater than 4000¦ Fahrenheit
    • Iridium TT
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    Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP103)

    Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition

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    $9.99
    Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

    Product Features:
    • 0.6 mm finewire design improves ignitability
    • Patented V-trimmed platinum sidewire technology resists wear
    • OE equivalent design is engineered for every engine
    • Designed for better overall durability with virtually no gap erosion
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    Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP64)

    Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition

    from

    $9.99
    Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.

    Product Features:
    • 0.6 mm finewire design improves ignitability
    • Patented V-trimmed platinum sidewire technology resists wear
    • OE equivalent design is engineered for every engine
    • Designed for better overall durability with virtually no gap erosion
    See More

    Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP103)

    Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration

    from

    $4.79
    Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.

    Product Features:
    • High nickel alloy side electrode maintains precise gap
    • Full platinum tip assures virtually no gap erosion for long life
    • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
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    E3 – DiamondFIRE Automotive Spark Plug: More Power, Saves Gas (Part No.E3.53)

    DiamondFIRE Automotive Spark Plug: More Power, Saves Gas

    from

    $6.99
    The Spark Plugs are the product of years of fundamental research in the combustion field. The unique patented electrode configuration of these new The spark plugs increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines. E3.53 is a 14mm, .708 reach plug with a taper seat. It fits domestic applications, and is widely available in automotive retail stores. The automotive plugs have three legs securing the Diamond Fire electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented Diamond Fire side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use.

    Product Features:
    • E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn
    • Smoother Acceleration & Idle – The faster flame initiated by the The spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
    • Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
    • Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
    • E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
    • The Spark Plugs are pre-gapped at the factory and cannot be adjusted.
    See More

    NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, BPR6EIX (Part No.6637)

    Iridium IX Spark Plug: Single Iridium Fine Wire, BPR6EIX

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    $11.99
    NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered c

    Product Features:
    • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
    • IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
    • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
    • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
    • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
    • RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
    See More

    Champion – Iridium Spark Plug: Maximum Performance, OE Replacement, RS8WYPB5 (Part No.9808)

    Iridium Spark Plug: Maximum Performance, OE Replacement, RS8WYPB5

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    $8.49
    Champion Iridium – the ultimate element. This spark plug’s fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.

    Product Features:
    • Champion Iridium – Maximum Performance. Premium Spark Plug
    • Iridium center electrode delivers maximum life
    • Fine-wire center electrode and V-trimmed for greater ignitability
    • V-trimmed ground electrode promotes sharper spark focus
    • Maintains stable operating temperature under all engine loads
    • Heat-Active alloy allows electrodes to reach optimal temperature quickly
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    Autolite – Racing Resistor Spark Plug: Enables Performance, Handles Intense Conditions (Part No.AR103)

    Racing Resistor Spark Plug: Enables Performance, Handles Intense Conditions

    from

    $4.99
    The ground electrode is cut-back from the center electrode to provide a gap. The face of the ground electrode is concave to provide a constant gap to the center electrode. This plug is designed use in all aftermarket cylinder heads used in different types of racing venues including oval and road racing.

    Product Features:
    • Opens spark face for better ignitability of flame kernel
    • Retains less heat, transfers heat to shell faster – reduces risk of pre-ignition
    • Dyno testing has shown proven power gains
    • Cut-back ground electrode evolved from practice of grinding back the side electrode
    See More

    Champion – Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RS9PYP4 (Part No.7304)

    Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RS9PYP4

    from

    $7.29
    Champion® Double Platinum Power¿ spark plugs deliver more powerful performance. Featuring exclusive Heat-Active¿ alloy, platinum fine wire center electrode and platinum pad ground electrode provide maximum life and sharper spark focus.

    Product Features:
    • Double Platinum Power – Premium Spark Plug. More Powerful Performance.
    • Platinum center and ground electrode for greater wear resistance
    • Maintains stable operating temperature under all engine loads
    • Fine-wire center electrode for greater ignitability
    • V-trimmed ground electrode promotes sharper spark focus
    • Heat-Active┐ alloy allows electrodes to reach optimal temperature
    See More

    Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP64)

    Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life

    from

    $6.49
    Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.

    Product Features:
    • Works to optimize engine performance for a longer life and improved fuel economy
    • OE design
    • Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
    • Platinum ball welding process provides a consistent point of contact for enhanced adhesion
    See More

    NGK – Iridium IX Spark Plug (Part No.F100089175NGK)

    Iridium IX Spark Plug

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    $11.94
    The NGK Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling properties. The Iridium alloy has extremely high melting point, ensuring high durability and a consistently stable spark that is perfect for today’s high-tech, high-performance engines. NGK’s IX Iridium Series Plugs were Designed Specifically for the Performance Enthusiast Designed specifically for the performance enthusiast.

    Product Features:
    • 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
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    Motorcraft – Spark Plug (AGS32C) (Part No.SP-436)

    Spark Plug (AGS32C)

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    $4.49
    Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles engineered to meet strict Ford engineering standards to provide original equipment performance and reliability. Delivering performance, reliability and confidence, Motorcraft spark plugs are available for a broad range of applications, including domestic and import cars and trucks of all makes and sizes.

    Product Features:
    • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
    • Backed by Motorcraft’s Service Parts Warranty
    • Exact fit for Ford, Lincoln and Mercury vehicles
    • Resistant to oxidation and arc erosion.
    • Multi-rib insulator protects against misfire.
    • Service intervals of up to 100,000 miles.
    • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
    • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
    • Motorcraft ignition components help prevent false check engine lights.
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    NGK – OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BR6EF (Part No.3177)

    OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BR6EF

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    $4.29
    NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.

    Product Features:
    • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
    • RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
    • NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
    • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
    • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
    • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
    See More

    NGK – OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BPR6EY (Part No.6427)

    OE Series V-Power Nickel Spark Plug: V-Groove Tip Design, BPR6EY

    from

    $2.99
    NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Engineered specifically for OE applications, the special V-cut nickel alloy center electrode and concave ground electrode of NGK’s V-Power spark plug increases ignitability providing quicker starts and smoother idle. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.

    Product Features:
    • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode with V-groove provides consistent performance
    • RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
    • NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
    • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
    • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
    • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
    See More

    Bosch – Super Plus (Copper Core) Spark Plug (Part No.F1000180045BOS)

    Super Plus (Copper Core) Spark Plug

    from

    $7.80
    The Bosch Super Plus Spark Plug utilizes an yttrium enhanced copper core center electrode, making it one of the longest lasting copper core spark plug on the market – by 50% versus even OE plugs. Bosch Super Plus also features a tapered, v-profile ground electrode for improved cold starts and better fuel ignitability. Center Electrode Core Material: Nickel-Yttrium and Copper – Center Electrode Tip Material: Nickel-Yttrium – Ground Electrode Tip Material: Nickel-Chromium

    Product Features:
    • OE-Equivalent and direct fit application.
    • Heavy-duty yttrium-enhanced copper core center electrode.
    • Tapered, v-profile nickel chromium ground electrode.
    • Nickel-plated rolled threads.
    • Metal glass fused resistor.
    • Angular, five-ribbed insulator design.
    • Electrode gap is factory set and never requires adjustment.
    • Anti-seize and corrosion protection. Bosch Super Plus Spark Plugs deliver quality performance based on technology that’s proven on racetracks around the world in the most sophisticated racing engines
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    NGK – G-Power Spark Plug: Single Platinum Tip Design, BPR6EGP (Part No.7084)

    G-Power Spark Plug: Single Platinum Tip Design, BPR6EGP

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    $5.49
    NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

    Product Features:
    • SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
    • PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
    • TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
    • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
    • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
    • RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
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    ACDelco – RAPIDFIRE Spark Plug (Part No.16)

    RAPIDFIRE Spark Plug

    from

    $5.99
    ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

    Product Features:
    • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
    • Pure copper core provides great heat transfer and helps maximize plug durability
    • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
    • Ribless insulator helps optimize plug to boot sea
    • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
    • Premium aftermarket replacement part
    • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
    See More

    1975 Jaguar XJ12 Spark Plugs

    Maybe you’re in the middle of a full rebuild of that 1975 Jaguar XJ12. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 17 different Spark Plugs in our inventory ranging from $2.99 to $11.99. That means you can find the exact parts or products you need to keep that 1975 Jaguar XJ12 running smoothly.

    Spark Plugs are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 1975 Jaguar XJ12. NGK, Autolite, and Champion are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

    We know you’ll find the perfect Spark Plugs for your 1975 Jaguar XJ12, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 186 reviews in this category, some of the top rated parts include Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration with 4.0 stars and Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IW20TT with 5.0 stars.

    So if you’re in the market for aftermarket Spark Plugs to keep your 1975 Jaguar XJ12 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

    Spark Plugs Brands To Make Your 1975 Jaguar XJ12 Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1975 Jaguar XJ12 demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your XJ12 the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.

    Popular Dorman – Help Spark Plugs

    We carry Dorman – Help parts in our stock across Spark Plugs categories, plus more. For a 1975 Jaguar XJ12, our most popular Dorman – Help Spark Plugs include:

    FAQs for 1975 Jaguar XJ12 Spark Plugs

    What are the most purchased Spark Plugs for the 1975 Jaguar XJ12?

    Out of 17 Spark Plugs for the 1975 Jaguar XJ12, the most popular in our inventory are:

    What are the top-rated 1975 Jaguar XJ12 Spark Plugs?

    Top-rated Spark Plugs for your 1975 Jaguar XJ12 based on customer reviews/ratings are:
    Copper Plus Spark Plug: Dependable Performance, OE Replacement, RN9YC
    from $4.49
    (3)
    Copper Plus Spark Plug: Dependable Performance, OE Replacement, RN9YC
    “Exact fit. In stock. Good price. High quality.”