Tomei O2 Sensor Bung And Plug 51220-SNA-A03 +60whp/+22tq gains over the stock

+60whp/+22tq gains over the stock camshaft were found in comparison testing at the same boost level on a typical turbo D16Z6 Vitara build setup

dual valve springs as well as allow F20C/ F22C engine to use the K Series valve springs

Regular greasing not required

simply attach it over your existing mirror using the included adhesive

This throttle body improves output by increasing the flow area and increasing the amount of intake air by enlarging the butterfly diameter

Tomei O2 Sensor Bung And Plug 51220-SNA-A03 +60whp/+22tq gains over the stockThe use of an A F sensor and gauge is an indispensable tool for engine tuning. To acquire the A F reading, an O2 sensor needs to be installed on the exhaust manifold or the front pipe, along with installation of A F gauge. This O2 sensor bung is then required in order to installing an O2 sensor on your car. A bung plug bolt is also included for when the O2 sensor is removed.