Our LS oil pressure gauge installation kit includes all the parts needed to install a mechanical oil pressure gauge on the GM LS engine. This kit includes the M16 x 1.5 mm adaptor fitting that fits into the port located at the back of the block (LS1) or valley cover (LS2), pre-made AN4 hose assembly and two adaptors for the gauge end of the hose. This kit is ideal for engine swaps that use a mechanical oil pressure gauge.