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increase frontend rigidity
Eagle Street & Strip assemblies are recommended for use in naturally-aspirated
and billet accessories are all made in-house by a talented group of people
and absolutely the best quality American-made manufacturing possible
There's a PRO 1 head for virtually every small-block engine
Holley Regulator Rebuild Kit - Fits 12-840 and 12-842 Fuel Pressure Regulators HSXSM11SAS increase frontend rigidityRegulator 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
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