Bosch Double Iridium Spark Plug Set (x4) - (YR 5 DII 33 S)

BOSCH Double Iridium Spark Plug Set 16 19mm Thread Length - YR 5 DII 33 S Set 4 Pcs

Type = Double Iridium
Type Formula = YR 5 DII 33 S
Heat Range = 5
Spanner Size = 16
Thread Length (mm) = 19
Thread Diameter (mm) = 12
Thread Pitch (mm) = 1.25
Centre Electrode Connection Material = NiY+Cu
Centre Electrode Material = Ir
Ground Electrode Material = PtIr+NiY
Spark Position (mm) = 3
Gap (mm) = 0.7
Center Electrode ( mm ) = 0ز8
NO. Poles = 1
Resistance (Kohm) = 6
Tightening Torque  = 17 FT. LBS
Type of Connection = Non-detachable DIN/SAE head