Tegiwa O2 Sensor Spacer Fuel Pumps this will reduce distortion of

this will reduce distortion of the vehicle's lower suspension system when it is under load

AMAX technology simply maximizes the area under the lift curve but without compromising reliability or valvetrain stability

Will fit virtually any vehicle

You will also note that ARP offers specially undercut studs for several engines

400HP Rated

Tegiwa O2 Sensor Spacer Fuel Pumps this will reduce distortion ofTegiwa O2 Sensor Spacer Made from stainless steel, this spacer is ideal if you are running a race header but do not have K pro. This is used on the post cat o2 sensor and by spacing the sensor out it reduces the gas flow and heat going to the sensor giving your ECU a correct reading. This is ideal for K20, K24 & S2000 race headers.