These genuine Holley diaphragm repair kits will allow you to restore the performance of your high-mileage fuel pressure regulator.
With these repair kits, you'll regain the accuracy and performance of the regulator from when it was new.
This diaphragm repair kit is for 12-803 and 12-804 regulators.
Customer reviews
Unfortunately there are no reviews yet. Be the first who rates this product.
