Review on Holley HOL 12-804 12-804 Fuel Pressure Regulator: Optimal Performance and Fuel Efficiency by Jeff Driscoll
Does not adjust psi as advertised
Regulator unfortunately does not reduce fuel pressure as advertised. Like several other reviews, this regulator behaves like a Holley 12-803 at 6-9 psi instead of a Holley 12-804 at 1-4 psi. Returning a regulator required direct contact with the seller, answering half a dozen questions, and spending over $11 on shipping to return a faulty regulator. The seller offered to return the purchase price within 1-3 business days, presumably after receiving it back. If not I will update this review.
- Convenient item
- High price
New products
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