These  shut off valves are a handy item to install on your vehicle. You can simply turn off the flow of fuel when changing a fuel filter. or use it as a theft deterrent They are available in blue and black and silver  . They are compatible with pump gas, racing fuels, methanol, ethanol, e85 and diesel fuel, coolants lube oils  .Not compatible with brake fluid.

Dimension of the -06 size is 3.350 overall length x .890 diameter not including shut off handle.

Dimension of the -08 size id 3.585 overall length x .890 diameter not including shut off handle.