Prosport WIDEBAND BOSCH 4.9 SENSOR Reducer With a Viton O-Ring safe

With a Viton O-Ring safe for all fuels

Scarles offers a range of multi fit wheel spacers ranging from 3

Alternatively

or a dual inlet for a V-engine setup

uniform expansion that allows the rotors to expand & contract with changes in temperature

Prosport WIDEBAND BOSCH 4.9 SENSOR Reducer With a Viton O-Ring safeBosch LSU 4. 9 5 wire heated sensor. Bosch part # 17025 This is the latest Bosch sensor that we use exclusively with our Wideband AFR kits. The newest generation of oxygen sensors are being called "wideband" lambda sensors or "air fuel ratio sensors" because that's exactly what they do. They provide a precise indication of the exact air fuel ratio, and over the broadest range of mixtures all the way from 10: 1 to 20: 1 air fuel ratio. The Bosch LSU 4