Holley Regulator Rebuild Kit - Fits 12-840 and 12-842 Fuel Pressure Regulators 20194YW REQUIRES THE USE OF A

REQUIRES THE USE OF A REMOTE FUEL PUMP and some space below the front of the engine

improved drivability

Duration 194 / 214

Fits SP118-LM

Clear to Dark Smoke

Holley Regulator Rebuild Kit - Fits 12-840 and 12-842 Fuel Pressure Regulators 20194YW REQUIRES THE USE OF ARegulator Rebuild Kit Fits 12 840 and 12 842 Fuel Pressure Regulators Regulator Rebuild Kit for 12 841 and 12 842 Billet By Pass Regulators. Includes complete diaphragm, spring and rebuild instructions. Features: Fuel Pressure regulator rebuild kit for Holley HLY12 841 and HLY12 842 fuel pressure regulatorsHolley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA