![Amazon.com: 4PK TORCH F5RTC Spark Plug Replace for NGK 7734/BPR5ES, for Champion 322/RN11YC 404/RN12YC 8405, for Denso 5305/IW16 3256/J16CR-U 3013/W14EXR-U 3021/W16EPR-U 3031/W16EXR-U, for Harley Davidson 5RL : Automotive Amazon.com: 4PK TORCH F5RTC Spark Plug Replace for NGK 7734/BPR5ES, for Champion 322/RN11YC 404/RN12YC 8405, for Denso 5305/IW16 3256/J16CR-U 3013/W14EXR-U 3021/W16EPR-U 3031/W16EXR-U, for Harley Davidson 5RL : Automotive](https://m.media-amazon.com/images/I/516zMf7PqoL.jpg)
Amazon.com: 4PK TORCH F5RTC Spark Plug Replace for NGK 7734/BPR5ES, for Champion 322/RN11YC 404/RN12YC 8405, for Denso 5305/IW16 3256/J16CR-U 3013/W14EXR-U 3021/W16EPR-U 3031/W16EXR-U, for Harley Davidson 5RL : Automotive
![Champion RN12YC Spark Plug, Big Twin 75-99 - kraftradteile.com - Parts & Accessories for Harley-Davidson© Motorcycles Champion RN12YC Spark Plug, Big Twin 75-99 - kraftradteile.com - Parts & Accessories for Harley-Davidson© Motorcycles](https://www.kraftradteile.com/WebRoot/Store14/Shops/79596868/5685/334C/049D/5DCC/FF56/C0A8/2AB8/CC38/rn12yc_ml.jpg)
Champion RN12YC Spark Plug, Big Twin 75-99 - kraftradteile.com - Parts & Accessories for Harley-Davidson© Motorcycles
![Champion Copper Plus Spark Plug (404) RN12YC Pair - Ignitions & Coils - Vulcanworks.net - American Made Parts for Harley Davidson Motorcycles Champion Copper Plus Spark Plug (404) RN12YC Pair - Ignitions & Coils - Vulcanworks.net - American Made Parts for Harley Davidson Motorcycles](https://secure.vulcanworks.net/store/images/D/rn12yc.jpg)
Champion Copper Plus Spark Plug (404) RN12YC Pair - Ignitions & Coils - Vulcanworks.net - American Made Parts for Harley Davidson Motorcycles
![Amazon.com: PK8 TORCH F5RTC Spark Plug Replace for NGK 7734/BPR5ES, for Champion 322/RN11YC 404/RN12YC 8405, for Denso 5305/IW16 3256/J16CR-U 3013/W14EXR-U 3021/W16EPR-U 3031/W16EXR-U, for Harley Davidson 5RL,OEM : Automotive Amazon.com: PK8 TORCH F5RTC Spark Plug Replace for NGK 7734/BPR5ES, for Champion 322/RN11YC 404/RN12YC 8405, for Denso 5305/IW16 3256/J16CR-U 3013/W14EXR-U 3021/W16EPR-U 3031/W16EXR-U, for Harley Davidson 5RL,OEM : Automotive](https://m.media-amazon.com/images/I/51CAJRrv98L.jpg)