Having the correct tools to install your Air Injectors is important.
There are only two inexpensive tools for installing your Air injector.
91-851980-3 Seal/Teflon Ring Intstallation Tool $5.00
This little plastic cone fits over the tip of the air injector and it allows you
to slip the seals and the Teflon seal onto the injector without damage. 91-851980-2 Seal Resizing Tool $9.00
This clamp-like tool compresses and resizes the seals as so they will slip into the cylinder head without damage. 91-881834A1 Pressure Gauge Set $518.00
This Gauge Set will let you accuratly monitor and test your air and fuel pressures for proper diagnosis.
Image may vary from actual gauge.