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refrigerant charge
Compact footprint - Fits under transmission pan access points in tight engine bays
you'll want both left and right brackets installed at matching points on the frame
High Sierra 1988 - 1990 GMC S15 Base
replace them at the same time to avoid future cooling issues
Tomei Boss And Plug Lug Bolts refrigerant chargeRequired For Installing an A F Gauges The 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. BOSS AND PLUG (Previous Part Number