Brand: Holley Performance Products
This rebuild kit covers low-pressure Holley Fuel Pressure Regulators, Part No.'s 1135-1 to 4 and 1136-4 to 9. Complete kit includes a new diaphragm and both high-pressure and low-pressure springs. You can even use this kit to convert a 4 to 9 psi regulator into a 1 to 4 psi regulator.