NGK Standard Spark Plugs. Shown below is an over torqued spark plug that sheered due to user installation error. NGK states that incorrect torque values are responsible for up to 90% of all spark plug warranty claims.
4x NGK Spark Plug Quality OE Replacement 7321 / BPM7A
NGK Spark Plug BPM7A (7321)
RocwooD L7T Spark Plug x10 Equivalent to NGK BPM7A Code 7321 Bosch WS5F
4x NGK PFR7S8EG 1675 Laser Platinum Spark Plugs For AUDI A6 2.0 09/12--> TFSI
4x NGK Laser Iridium Spark Plugs Upgrade Kit Genuine Service Part
