Iridium Spark Plug (Set of 4) - VW Mk3 2.0LSet of 4 Spark Plugs Generally when one spark plug fails that means the rest will also fail soon. We recommend you change all spark plugs at once. That way a month later you won't be running a cylinder short because one of your other spark plugs failed. DENSO Iridium Power spark plugs represent a performance breakthrough. The laser welded center electrode is only 0. 4mm in diameter the slimmest iridium electrode in the industry. The taper cut side

due to the complexity and precision of the direct injection system

High-quality materials and ball bearings for a long service life

which eliminates throttle response potential

** IMPORTANT ** Vehicle must be flashed at our location

In previous years

control module

Part # 03L-109-601 / 03L 109 601

CAUTION: Think and understand what you are doing before tuning the adjusters

especially with factory wheels

stainless steel tips exit in front of the rear passenger tire for a unique

Bolt in style

To ensure proper sealing