Product Overview
SPARK PLUG STK #4551
BR9-HS100-00-00 Yamaha Marine
503707 Evinrude Johnson OMC
Ground Electrode Tip Design: Standard
Ground Configuration: Standard
Ground Electrode Core Material: Nickel Core
Center Electrode Core Material: Copper Core
Center Electrode Tip Material: Nickel
Pre-Gap Size: .040 in
Ground Electrode Quantity: 1
Hex Size: 13/16 in
Insulator Height: 55.00 mm
Manufacturer Heat Range: 9
Seat Type: Flat
Reach: .5 in
Thread Diameter: 14.00 mm
