Holley Billet By-Pass Fuel Regulator Kit | 12-848KIT

Holley Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The kits are available for carbureted or EFI systems and include adapter fittings and fuel pressure gauge to get your project started. The included regulators are made from diecast or billet aluminum depending on the kit that you choose. The carbureted regulators have a range of 4.5-9 psi while the EFI regulators have a range of 15-60 psi. Boost reference ports and bypass regulator models available depending on the kit that you need to start or complete your fuel system upgrade.