Dorman 42009 Spark Plug Non-Fouler - 18mm Gasket Seat, Pack of 2
DEWHEL Defouler O2 Oxygen Sensor Fitting Bung M18x1.5 Pack Of 2
DEWHEL Stainless Steel 90 Degree Defouler O2 Oxygen Sensor Fitting Bung for Headers and Exhaust pipes
Dorman 42002 Spark Plug Non-Fouler - 18mm Tapered Seat, Pack of 2
90 Degree Defouler with 2 Straight Defouler O2 sensor Bung for Headers and Exhaust pipes
DEWHEL Defouler 2PCS Straight O2 Oxygen Sensor Fitting Bung M18 x 1.5 fits Header and Exhaust Pipes.
Powerbuilt 648691 3/8" Dr 7/8"(22Mm) Oxygen Sensor Wrench
Ternence Flynn o2 Sensor For Check Engine Light Adapter Spacer Built-in M18X1.5 Catalytic Converter
90 Degree Defouler with 2 Straight Defouler for Headers and Exhaust pipes
Lisle 12230 Oxygen Sensor Thread Chaser