Racepak Sensor Air/Fuel H753C4956 2-5/16 in or 2

2-5/16 in or 2

Non-flammable & protects against chemicals & resists water Universal - fits most straight or angled boots 1 in

Upgrading a Non C-N-P Main Harness requires the Holley Universal Coil-On-Plug Harness

(2) 1/8" NPT Ports for Fuel Pressure Gauge

Brackets / Joints / Lines / Pulley / Pump

Racepak Sensor Air/Fuel H753C4956 2-5/16 in or 2This 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