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Holley 12-826 Regulator Rebuild Kit
Fuel Pressure regulator rebuild kit for Holley 12-846, and 12846ERL regulators
Includes diaphragm and spring
Fuel pressure regulators are used to adjust for fuel pressure requirements of various carburetors. Too much fuel pressure for a given needle and seat assembly may cause flooding or drivability problems. 3/8 inch NPT ports. Allows adjustment of fuel pressure to compensate for high flow fuel pumps.