Harley Davidson Spark Plug Application Guide

Harley Spark Plug
Cross-reference
Twin Cam
88/88B
VRSC
V-Rod
EVO 1340
(80 CID)
XL 85-04
883/1200
XL 1100ccXR 1000cc
1983-1984
H-D Standard 6R12 10R12A 5R6A 6R12 4R5 6R7
H-D Gold 6R12G 10R12AG 5R6AG 6R12G 4R5G -
H-D Platinum 6R12PP 10R12APP 5R6APP 6R12PP XL10S -
Screamin' Eagle EX12S - EVS13S EX12S 2402 -
Brisk Platin/Yttrium BR12YPY BR12YPY   BR12YPY    
Brisk Silver Racing BR12S BR10YS-9 LR17YS BR12S NR15S LR14YS

Harley Spark Plug
Cross-reference
XL 1000cc
1979-1985
XL 1000cc
1972-1978
Shovelhead
1975-1981
Shovelhead
1982-1984
Shovel/Panhead
1947-74
H-D Standard 4R5 4R5 5R6A 5RL 4R or 4R5
H-D Gold 4R5G 4R5G 5R6AG 5R6AG 4R5G
H-D Platinum XL10S XL10S 5R6APP 5R6APP -
Screamin' Eagle 2413 2402 EVS13S SH13S SH12S
Brisk Silver Racing NR15S NR15S LR17YS LR17YS NR15S