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Rolls Royce Corniche S Spark Plug

We have 5 Items In-stock. Select a year to continue.
$11.30 List Price $13.33 Save $2.03 Availability: In Stock
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NGK BKR4E REGULAR CLASS 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
  • 19 mm reach
  • 16 mm hex size
  • 0.9 mm gap
  • Gasket seat style
  • Resistor plug type
  • Solid terminal nut
  • ISO length
  • Projected tip
  • V-grooved center electrode
  • Heat range 4

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#: NG4421
  • Brand: NGK
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Copper
  • Gap Size: 0.9 mm
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Fits the following Rolls Royce Corniche S Years:
  • 1995 | 8 Cyl 6.7L | Base
$12.78 List Price $15.08 Save $2.30 Availability: In Stock
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DENSO PREMIUM CLASS IRIDIUM SPARK PLUG

Denso's Premium Class Iridium Spark Plugs is fast becoming the standard for today's high-tech engines. Employing a revolutionary 360 degrees laser welding process, Denso has created a spark plug unlike anything on the market today. Designed for durability under the most extreme conditions. Denso's patented Iridium alloy is 6 times harder and 8 times stronger than conventional platinum and can handle temperatures in excess of 4,000 degrees Fahrenheit.

Specification:
  • 14 mm thread size
  • 19 mm reach
  • 0.63 in. hex size
  • 0.04 in. gap size
  • Gasket seat style
  • Resistor plug type
  • 0.4 mm iridium center electrode
  • Tapered cut U-groove ground electrode
  • Removable terminal
  • ISO height
  • Heat range 16

Features:
  • Designed with heavy duty insulator that provides unparalleled dielectric strength and thermal conductivity under extreme temperatures
  • Five-rib design prevents flashover while decreasing voltage loss
  • Copper glass seal bonds the center electrode and insulator together for a gas-tight seal
  • Platinum center electrode utilizes platinum to shrink the surface area of the center electrode tip for maximum firing performance and minimum voltage requirements
  • Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 60,000 miles


  • SKU#: NPIK16
  • Brand: Denso
  • Electrode Core Material: Iridium
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Platinum
  • Gap Size: 1.1 mm
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Fits the following Rolls Royce Corniche S Years:
  • 1995 | 8 Cyl 6.7L | Base
Rating: (see review/s)

"The are the exact plugs that the dealer uses...I have a 2003 corolla...and said no other should be used. We were putting other types of plugs in...what a difference these make in performance and power...gas mileage remains to be seen...just had them changed. (another note...only use dealer ignition coils...or find out what they use...I had to return those)" posted by: Rosey on May 14, 2011

"I bought these for a 2006 V6 3.3 Sonata. They installed flawlessly the car appears to idle smoother and have an increase in power. These were the best plugs I could get from Denso, I won't be changing them for 100k miles. Would recommend." posted by: Dirk on March 14, 2010 view all 4 reviews

$10.47 List Price $12.35 Save $1.88 Availability: In Stock
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AC DELCO PROFESSIONAL PLATINUM SPARK PLUG, SOLD INDIVIDUALLY

AC Delco Professional Platinum Spark Plugs are perfect for engines that run on conventional plugs, and newer engines that require platinum plugs. Provides up to 100,000 miles of service before requiring replacement.

Features:
  • Constructed from top quality materials to help the engine run clean and longer
  • Copper core center electrode for improved heat transfer to the tip
  • Engineered to high standards and tested under extreme conditions to exceed OE specifications


  • SKU#: AC41-800
  • Brand: AC Delco
  • Fit Note: Car
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Double Platinum
  • Warranty: 100,000-mile AC Delco limited warranty
 
Fits the following Rolls Royce Corniche S Years:
  • 1995 | 8 Cyl 6.7L | Base
$8.21 List Price $9.69 Save $1.48 Availability: In Stock
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CHAMPION IRIDIUM SPARK PLUG, SOLD INDIVIDUALLY

Champion Iridium Spark Plugs have a stabilizing effect on ignition voltage and excellent wear characteristics. The plugs will deliver a consistently focused spark that provides the highest level of engine performance possible, regardless of engine type or ignition.

Specifications:
  • 14 mm thread diameter
  • 1.02 mm gap
  • Projected tip

Features:
  • Special firing end construction
  • Superior 0.7 mm fine-wire center electrode for maximum life and spark performance
  • Iridium center electrode with platinum tipped V-trimmed ground electrode and an exclusive heat-active alloy that maintains stable operating temperature under all engine loads


  • SKU#: C339201
  • Brand: Champion
  • Electrode Core Material: Nickel alloy
  • Plug Type: Resistor
  • Anticipated Ship Out Time: Same day - 1 business day
  • Electrode Tip Material: Iridium
  • Gap Size: 1.016 mm
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Fits the following Rolls Royce Corniche S Years:
  • 1995 | 8 Cyl 6.7L | Base
$5.95 List Price $8.99 Save $3.04 Availability: In Stock
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E3 DIAMONDFIRE SPARK PLUG, SOLD INDIVIDUALLY -- 14 mm thread size, 19 mm reach, 0.62 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#: PYRE348
  • Brand: E3
  • Electrode Core Material: Copper
  • Plug Type: Resistor
  • Product Class: Fuel saver
  • Anticipated Ship Out Time: 1-2 Business Days
  • Electrode Tip Material: Nickel alloy
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Fits the following Rolls Royce Corniche S Years:
  • 1995 | 8 Cyl 6.7L | Base
Rating: (see review/s)

"I put these in my Vtwin motorcycle in November. In March the bike quit running. Took it to a dealer and all he had to do to get it running was put normal plugs in it. Hope nothing permanently damaged. Told a friend about it after the fact and he described the same trouble with his Chevy truck. His mechanic said they burn extra hot and mess up the computer sensors." posted by: GOC Sensei on March 12, 2014

"I replaced my 10 year old ----- Platinum +4 spark plugs which I was still getting 38 MPG highway with over 225k miles. After replacing with E3, my MPG fell to 32 MPG highway. Disappointed to say the least. I'm returning and going back to a new set of +4's." posted by: MJ on December 19, 2011 view all 8 reviews