Holley Regulator Rebuild Kit - Fits 12-840 and 12-842 Fuel Pressure Regulators HSXSM11SAS increase frontend rigidity

increase frontend rigidity

There's a PRO 1 head for virtually every small-block engine

Chassis Brace

This front sump road race pan is for Ford 289-302 blocks

Cloyes Heavy Duty Idler Shafts are the key to an accurate and consistent Power Stroke

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