Holley Stainless 200 PSI Pressure Sensor 554-103 Plug and play for Holley Avenger, Terminator, HP, and Dominator ECU fuel and oil pressure inputs. Plug and play for both fuel and oil pressure inputs with Holley EFI systems (Terminator systems monitor...

Earl's Gen-V LT 200 PSI Oil Pressure Sensor Kit w/Adapter & Plug LT0004ERL These Special Plugs and adapters are needed when you remove the vacuum pump on the GM LT Gen-V - 2014 & up engines. When the vacuum pump is removed, it exposes two...

Holley EFI Air/Fuel Wideband Gauge Kit 534-215 Standard 2-1/16" Wideband A/F Gauge, 8.5-18, Black Face. Includes gauge, wiring harness, and Bosch LSU 4.9 wideband O2 sensor. Holley EFI fully standalone 2-1/16" Air/Fuel Wideband O2 Gauge Kit...

Holley EFI Air/Fuel Wideband Gauge Kit 534-215W Standard 2-1/16" Wideband A/F Gauge, 8.5-18, White Face. Includes gauge, wiring harness, and Bosch LSU 4.9 wideband O2 sensor. Holley EFI fully standalone 2-1/16" Air/Fuel Wideband O2 Gauge Kit...

Holley EFI Analog Air/Fuel Wideband Gauge Kit White 553-168W White Face with 0-5 Volt Output. Includes gauge, wiring harness, and Bosch LSU 4.9 wideband O2 sensor. Holley EFI now offers a fully standalone 2-1/16" Air/Fuel Wideband O2 Gauge Kit...

Holley EFI Analog Air/Fuel Wideband Gauge Kit Black 553-168 Black Face with 0-5 Volt Output. Includes gauge, wiring harness, and Bosch LSU 4.9 wideband O2 sensor. Holley EFI now offers a fully standalone 2-1/16" Air/Fuel Wideband O2 Gauge Kit...

AEM Exhaust Back Pressure Sensor Kit 30-2064 AEM's Exhaust Backpressure install kit is specifically designed for use with AEM's 4-Channel Wideband UEGO Controller to provide accurate air/fuel ratio readings from wideband O2 sensors that are mounted...

Holley EFI Wideband Oxygen Sensor Extension Cable 534-199 4 feet long Wideband Oxygen Sensor Extension Cable, 4' Features: Genuine Holley Quality Parts Note: This product works with Holley EFI wideband oxygen sensors, part numbers 554-100 and...

AEM Bosch 4.2 Wideband UEGO Sensor w/ Manifold Bung 30-2063 AEM's wideband O2 UEGO AFR replacement sensor and stainless-steel, finned, stand-off bung kit includes only a replacement Bosch 4.2 LSU Wideband UEGO sensor and stainless steel tall manifold...

AEM Bosch LSU 4.2 Wideband UEGO Installation Kit 30-2002 Includes: Bosch LSU 4.2 Wideband UEGO Sensor, Weld-On Bung, Connector, Wire-Seals & Pins

AEM Bosch LSU 4.9 Wideband UEGO Installation Kit 30-2005 Compatible with part number 30-0300, 30-0334, 30-0310, 30-0350, 30-4110, and 30-4110NS AEM's wideband UEGO air/fuel ratio sensor kit includes a Bosch 4.9 LSU Wideband UEGO sensor, connector...

AEM X-Series Inline Wideband UEGO Air/Fuel Sensor Controller 30-0310 AEM's X-Series Inline Wideband UEGO Air/Fuel Ratio Controllers are built upon unique, patented, 100% digital technology that makes them the fastest responding wideband air/fuel ratio...