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Jaguar XJ12 Spark Plug

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Jaguar XJ12 Spark Plug, NGK V-Power Spark Plug - Direct Fit

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NGK TR5 V-POWER SPARK PLUG, SOLD INDIVIDUALLY

NGK V-Power Spark Plug has a unique V-power design that directs the spark to the edge of the electrode where it develops more rapidly to improves ignitability than OE manufacturer and racer approved.

Specifications:
  • 14 mm thread size
  • 17.55 mm reach
  • 16 mm hex size
  • 0.04 in. gap size
  • Tapered seat style
  • Resistor plug type
  • Removable terminal nut
  • Projected tip
  • V-grooved centered electrode
  • Heat range 5

Features:
  • Increases ignitability even in lean burn conditions and lowers ignition system voltage requirements
  • Increases fuel economy and lower emissions
  • Trivalent metal plating has superior anti-corrosion and anti-seizing properties
  • Highly durable against electrical and chemical wear


  • Sku#: NG2238
  • Brand: NGK
  • Series: NGK V-Power
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor

Fits the following Jaguar XJ12 Years

  • 1981-1987 | Base | 12 Cyl 5.3L
  • 1988 | Vanden Plas | 12 Cyl 5.3L
Customer Review: (see review/s)

Jaguar XJ12 Spark Plug, Denso Platinum TT Spark Plug - Direct Fit

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$4.47 $5.27 You Save $0.80 (15%)
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DENSO PREMIUM CLASS PLATINUM TWIN TIP SPARK PLUG

Denso's Premium Class Platinum Twin Tip Spark Plugs revolutionary twin tip design provides better ignitability for a more powerful and fuel-efficient combustion yielding better engine performance in terms of power and fuel economy.

Specification:
  • 14 mm thread size
  • 18 mm reach
  • 0.63 in. hex size
  • 0.04 in. gap size
  • Tapered seat style
  • Resistor plug type
  • Platinum alloy 1.1 mm fine wire center electrode
  • Titanium enhanced 1.5 mm fine wire ground electrode
  • Solid terminal nut
  • Heat range 20

Features:
  • Greatly improves mileage
  • Provides more power and faster starts
  • Reduce carbon emissions


  • Sku#: NP4512
  • Brand: Denso
  • Series: Denso Platinum TT
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Platinum
  • Plug Type: Resistor

Fits the following Jaguar XJ12 Years

  • 1981 | Base | 12 Cyl 5.3L
  • 1982-1987 | Base | 12 Cyl 5.3L
  • 1988-1992 | Vanden Plas | 12 Cyl 5.3L
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Jaguar XJ12 Spark Plug, Bosch Super Plus Spark Plug - Direct Fit

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BOSCH REGULAR CLASS SUPER PLUS SPARK PLUG -- 14 mm thread size, 19 mm reach, 20.8 mm hex size, gasket seat, interference suppression resistor, yttrium enhanced copper core center electrode, tapered V-profile nickel ground electrode, removable terminal nut, 0.8 mm gap, heat range 7; Features a heavy duty yttrium enhanced copper core center electrode for superior reliability and increased resistance to spark erosion; Tapered V-profile nickel ground electrode provides improved starting in cold weather and increased fuel ignitibility; Metal glass fused resistor allows for maximum interference suppression while the ribbed insulator design prevents misfires due to current leakage.
  • Sku#: BS7900
  • Brand: Bosch
  • Series: Bosch Super Plus
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor

Fits the following Jaguar XJ12 Years

  • 1973-1974 | Base | 12 Cyl 5.3L
  • 1975-1976 | C | 12 Cyl 5.3L
  • 1975-1978 | L | 12 Cyl 5.3L
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Jaguar XJ12 Spark Plug, AC Delco RapidFire Performance Platinum Spark Plug - Direct Fit

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$5.94 $7.01 You Save $1.07 (15%)
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AC DELCO SPARK PLUG ASSEMBLY, SOLD INDIVIDUALLY -- Constructed from top quality materials to help the engine run clean and longer; Features a copper-core center electrode for improved heat transfer to the tip; Hot-tip insulators heats fast and fires hot to promote longer electrode life for miles of dependable performance; Nickel-chrome alloy sheathing on the ground and center electrodes offers maximum resistance against wear from spark erosion and the corrosive environment of the combustion chamber; Engineered to high standards and tested under extreme conditions to exceed OE specifications; Replaces OE number 25171347.
  • Sku#: AC8
  • Brand: AC Delco
  • Series: AC Delco RapidFire Performance Platinum
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor

Fits the following Jaguar XJ12 Years

  • 1994-1996 | Base | 12 Cyl 6.0L

Jaguar XJ12 Spark Plug, Pulstar Iridium Pulse Spark Plug - Direct Fit

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PULSTAR IRIDIUM PULSE SPARK PLUG, SOLD INDIVIDUALLY

Pulstar Pulse Spark Plug contains integrated electrical capacitor that focuses on the energy of the plug. Its electrical energy delivers the fuel mixture far beyond the typical conventional spark plugs and produces not only better fuel efficiency, but also increased torque and horsepower.

Specifications:
  • 14 mm thread size
  • 19 mm reach
  • 16 mm hex size
  • 1.14 mm gap
  • 0.5 mm fine-wire iridium tipped center electrode with copper core
  • Gasket seat
  • Resistor
  • Nickel alloy ground electrode

Features:
  • Latest in performance ignition technology
  • Provides up to 12 percent more horsepower and torque plus livelier throttle response than conventional spark plugs
  • Allows more efficient burning of fuel and generates a much larger spark at twice the speed than ordinary spark plugs
  • Promotes an increased gas mileage and greater horsepower to the wheels
  • Reduces carbon dioxide emissions and provides cleaner exhaust and more efficient combustion
  • Uses an internal circuit that delivers up to 1,000,000 watts of peak power that increases peak spark current by up to 20,000 times that of a traditional spark plug


  • Sku#: PSTRBE1H10
  • Brand: Pulstar
  • Series: Pulstar Iridium Pulse
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor

Fits the following Jaguar XJ12 Years

  • 1973-1974 | Base | 12 Cyl 5.3L
  • 1975-1976 | C | 12 Cyl 5.3L
  • 1975-1977 | L | 12 Cyl 5.3L
  • 1979 | L | 12 Cyl 5.3L
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Jaguar XJ12 Spark Plug, Motorcraft Suppressor Spark Plug - Direct Fit

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$8.39 $9.90 You Save $1.51 (15%)
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MOTORCRAFT SUPPRESSOR SPARK PLUG, FINEWIRE PLATINUM, SOLD INDIVIDUALLY

0.05 in. gap size, standard service plug; Delivers maximum voltage to the spark plug while maximizing performance and increases engine life; Resists corrosion and abrasion; Reduces the chance of misfire.


  • Sku#: MISP500
  • Brand: Motorcraft
  • Series: Motorcraft Suppressor
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor

Fits the following Jaguar XJ12 Years

  • 1994-1996 | Base | 12 Cyl 6.0L

Jaguar XJ12 Spark Plug, Champion Single Platinum Power Spark Plug - Direct Fit

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$4.96 $5.85 You Save $0.89 (15%)
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CHAMPION SINGLE PLATINUM POWER PLUG, SOLD INDIVIDUALLY -- 14 mm thread diameter, 19 mm reach, 20.6 mm hex size, resistor type, copper plus core design, V-trimmed ground electrode, gasket seat, projected tip; Center and side electrodes are tapered for performance while platinum tip on center electrode guarantees extended plug life.
  • Sku#: C333415
  • Brand: Champion
  • Series: Champion Single Platinum Power
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor

Fits the following Jaguar XJ12 Years

  • 1975-1976 | C | 12 Cyl 5.3L
  • 1975-1978 | L | 12 Cyl 5.3L
  • 1979 | L | 12 Cyl 5.3L
  • 1981 | Base | 12 Cyl 5.3L
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Jaguar XJ12 Spark Plug, E3 DiamondFire Spark Plug - Direct Fit

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$5.95 $8.99 You Save $3.04 (34%)
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E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 19 mm reach, 0.81 in. hex size, gasket seat, resistor, 1.016 mm non-adjustable gap size, copper core electrode material, nickel alloy electrode tip material, projected insulator type; Guaranteed to provide more power while using less fuel, quicker starts and less fouling than competitive standard spark plugs.
  • Sku#: PYRE346
  • Brand: E3
  • Series: E3 DiamondFire
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Product Class: Fuel Saver
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Fits the following Jaguar XJ12 Years

  • 1977-1979 | L | 12 Cyl 5.3L
  • 1981 | Base | 12 Cyl 5.3L
Customer Review: (see review/s)

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