Brand new oxygen O2 sensors for all Miata MX-5. All O2 sensors are wired with OEM specific connectors for easy installation.

AMP EFI put together the best and most powerful ignition upgrade kit available for your Mazda Miata, MX-5, or Eunos Roadster, and it’s a complete drop-on affair. MaxSpark is next level with likely double the spark energy or possibly more.

Bosch LSU 4.2 and 4.9 5-wire, wide-band O2 sensors. Replaces defective sensors for all Innovate air/fuel monitoring products.

These harnesses are specifically designed to allow users to splice into their ECU wiring circuits without alteration to the vehicle’s factory wire harness.

Bosch LSU 4.2 and 4.9 5-wire, wide-band O2 sensors. Replaces defective sensors for all AEM air/fuel monitoring products.

These are the proper GM-style sensors for use with the MegaSquirt line of ECUs and include a 6" wire pig-tail with weatherproof connector.

Our 3/8″ pipe fitting for temperature sensors is available in stainless steel. This one can be welded to either stainless or mild steel. Comes with galvanized steel plug as well.

Bung & Plug Kit for mounting a wideband O2 sensor. Requires drilling and welding to install.