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Part #: W7DC
BOSCH Copper Core Spark Plug. 3/4 (0.75) inch reach. REPLACED by WR7DC+ .
Vehicle Manufacturer: BMW
Application: AIRHEADS; All Monolevers & Paralevers (not Oilheads...)
Make/Model: BMW : Airhead , Boxers
Model Years: 0 to 0
Vehicle Mfg. Part #: ... 485
Power Rating: Heat Range 7 (1=Cold / 9=Hot)
Original Equipment: 
Technical Information: Thread reach 3/4 (0.75) inch (.708 inch with tapered seat). 14mm thread diameter. Extended tip electrode. REPLACED by WR7DC+;Features ì Ytrium Center electrode Benefit ì Longer performance life
V groove ground electrode ì increased flame kernel propagation.
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