90 Quattro 20V L5-2309cc 2.3L DOHC (7A) (1990)
Spark Plug: Specifications
Spark Plugs .................................................................................................................................................................................................. Bosch F 6 DTC
Gap ......................................................................................................................................................................................................... 0.8 ± 0.1 mm
Tightening Torque .............................................................................................................................................................................. 20 Nm (15 ft lb)