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.
2x NGK BR9ECS 3570 Standard Spark Plugs
5x NGK R7437-9 4654 Racing Spark Plug
5x NGK CMR6H (3365) Standard Spark Plug *Wholesale Price SALE*
JAGUAR 5 WAY ELECTRICAL CONNECTOR MARK 2, S-TYPE, 420M MK 10, V8 3570
FOUR ( x4 ) GENUINE NGK SPARK PLUGS PLZKBR7B8DG / NGK 90223 / NGK 91530
FOUR ( x4 ) GENUINE NGK SPARK PLUGS NGK 2667 / BKR7EIX