Spark Plug (Set of 8) - Audi / 3.7L V8 / 4.2L V8 / D2 A8 / S8 / C5 S6 / B6 / B7 / S4Set of 8 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. NGK Ruthenium HX High Ignitability Spark Plug NGK Spark Plugs (U. S. A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE

Competition outlets replace the factory exhaust tips with adjustable turndowns for re-directing and controlling the exhaust volume

R350 2007-2012

Rear Cats (Black Tips)

After installing the ARM 3" Downpipes and N63 Intake

Fits MK4 Jetta

due to increased road noise

the MST Air Intake features a high-flow air filter and a smoothly designed intake tube that reduces air resistance

• Developed according to the high demands of motorsports

AK7112SB06

The M7 Intercooler Boots feature a tighter fit around the intercooler as well as the OEM intercooler horns

420-615-301-B / 420615301 B / 420 615 301 B

The rotation of the discs and vanes play an important role in brake cooling as it acts as a pump to move air