Racepak Sensor Air/Fuel BR40061 Air-tight sealing allows the engine

Air-tight sealing allows the engine to pull greater vacuum for improved ring seal and power

Long Tough Stainless Steel Terminals

The pigtail harness has 7" long leads w/ heavy duty 12 & 18 gauge wire

Magnum Pushrods for Big Block Chevy with Retro-Fit Hydraulic Roller Cam

Racepak Sensor Air/Fuel BR40061 Air-tight sealing allows the engineThis oxygen sensor is used with our Single and Four Channel Air Fuel Modules. Racepak LLC was founded in 1984 by Spencer Eisenbarth and Ron Armstrong, originally as Racepak and its parent company, Competition Systems, Incorporated (CSI). Both men were engineers with strong backgrounds in electrical and mechanical applications, and both had an interest in motor sports. Through an earlier joint effort aimed at obtaining data for the improvement of the