The Holley P/N 12-810 fuel pump pressure safety switch isa good peace of mind to help save your engine in the unlikely event of oil pressureloss. The safety switch is installed in conjunction with the oil pressure switch and ifa loss of oil pressure should occur, the switch will remove power from the electric fuel pump stalling the engine due to a loss of fuel. This safetyswitch can help to save your engine if it losses oil pressure. Working Pressure range is 2-100 PSI.

Features:

• Safety pressure switch that reads oilpressure
• Will shut offfuel pump when oil pressure drops below 5 psi
• Includes detailed instructions