Howards Performance Dual Racing Valve Springs w/ Damper - 1.540" O.D. 3D MAXpider This O2/Wideband sensor is a

This O2/Wideband sensor is a direct replacement for the wideband O2 sensor that comes with all XFI 2

This test occurs with minimal operator effort in the short period of time required for the engine to crank over and fire

Part Number: 120-172

Black oxide finish protects from wear and corrosion

Howards Performance Dual Racing Valve Springs w/ Damper - 1.540" O.D. 3D MAXpider This O2/Wideband sensor is aEngineered for racing use, springs are precisely coiled and undergo precision heat treating. Sold in sets of 16. The name Howards Cams has been synonymous with high performance camshafts since the 1950s. Howards Cams have always used on track experience to design the most powerful designs. This includes early Top Fuel favorites driven by Jack Chrisman and Larry Dixon Sr. Today we have even a greater group of experienced racers in Circle Track, Drag