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Holley-Part-No-12-840KIT-Fuel-Injection-Pressure-Regulator-01-xqcf

Holley Part No. 12-840KIT Fuel Injection Pressure Regulator

12-840KIT Fuel Injection Pressure Regulator. Billet By-Pass Fuel Regulator Kit. Has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR? Cup team and nearly every NHRA? Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM’s LS engine. Holley’s products also include

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