SET OF 12 SPARK PLUGS FOR MERCEDES BENZ M275.950 M275.953 M275.951 M275.954 M137.970 5.5L 5.8L V12

Inspired and used within NASCAR, these premium Copper, Double Platinum and Iridium spark plugs are for the enthusiasts with high performance applications in mind.

The new Autolite plugs ignite more gas and air mixture inside the cylinders to deliver better overall performance. The ignition is also more focused, which provides better and faster fuel combustion, optimizing the vehicles spark plug performance.

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Contents:

• 12 X Autolite Spark plug

Vehicle Fitment Guide

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Parts Guide

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Please select the part number you require from the drop down menu by utilising our vehicle fitment guide and parts guide.

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Notes:

• You can contact us if you are unsure about fitment.
• The new spark plugs should be gapped as recommended in the above fitment guide or car owner's manual. Use a feeler gauge to measure the gap between the center and ground electrode. The gauge should pass through snugly but easily. If too loose or too tight, reset the gap.
• The images are for illustrative purposes only.