Rotary 8883.

Details about Champion RCJ6Y:

Threaddiameter: 14mm
Threadreach: 9.5mm
Seattype: flat
Hexsize: 19mm
Tipconfiguration: projected
Construction: Standard construction
Terminaltype: Solid
Replacement spark plugs for Champion RCJ6Y:
Autolite 2974
Autolite 2984
Autolite XST2974
Beru 14SR-6F
Bosch WKA200TR6
Bosch WSR5F
Bosch WSR6F
Brisk PR15Y
Champion stk 852
Denso W20MP-U
Denso W22MP-U
Denso W22MPR-U
Denso W22MPRU
Denso stk 6023
General Motors 5613726
Iskra FSC75CPR
LD L8RTF
Motorcraft A22NX
Motorcraft stk 107
Newstar L9RTC
NGK 4345
NGK 4626
NGK BPMR7A
NGK BPMR8Y
NGK stk 4626
NHSP L8RTF
Torch L7RTC
Husqvarna 503235109