12-807
Rebuild kit for a Holley 12-803 or 12-804 fuel pressure regulator.

This is a simple rebuild kit for these pressure regulators and it consists of the diaphragm and 2, differently rated, springs.

It will allow you to easily freshen up your Holley regulator.

The blank spring is used in the "high pressure" regulator (article 12-803) for pressures between 4.5 and 9 Psi.

The red spring is used in the "low pressure" regulator (article 12-804) for pressures between 1 and 4 Psi.

This set is suited for virtually all fuels but NOT not for Methanol or Ethanol!

This set is priced and sold as a single unit.

This is Holley Article Number: 12-807