Tennplugger
Drag Specialities Tennplugger 75-99
Passer Bigtwin modeller 1975-1999 ( ikke TwinCam )
Drag Specialities Tennplugger TC/XL
Passer Twin Cam 1999-2017 og Sportster 1986-2017.
Drag Specialities Iridium Tennplugger
Passer Sportster 1986-2015 og Big Twin, TCA/B modeller 1999-2015.
Accel Platinum U-groove
Passer Big Twin Evolution modeller 1984-1999 og Shovelhead 1975-1984 (lange plugger).
Champion RA8HC
Champion Copper plus RA8HC. Passer: Twin Cam 99-17 TC A/B og Sportster modeller 86-19 (Ikke 08-19 XR1200). Oem: #6R12.
Passer: 99-11 TC A/B; 86-11 XL (Ikke 08-11 XR1200).
Champion RN12YC
Champion Copper plus RN12YC.
Oem: #5R6A.
Passer: 75-E82 FL; 75-79 FX; 84-99 EVO B.T.
Champion D14
Champion Copper plus D14.
Oem: #4.
Passer: HARLEY-DAVIDSON > 36-47 KNUCKLE. 37-48 B.T. SV.
Champion D16
Champion Copper plus D16.
Oem: #3.
Passer: HARLEY-DAVIDSON > 36-47 KNUCKLE. 37-48 B.T. SV.