I have a slightly used, more like was used for 100miles, then sat on the shelf for a year or so Holley blue. It comes with a non return regulator that was used with the pump for the short time. The pump comes with 3/8ths barbed hose fittings already installed. The wires are not cut up but just the 1/2 on the end that was used in crimp connectors, and still 6"+ long to ease install. Im currently running one on my car now, and it kept up with the motor plus 100 pills, never stepped it up any higher, and this is with the stock fuel lines in place still. I bought this as a back up incase the one on car failed.

 

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Bump still up for sale.

I now also have 2 holley blue's with about the same amount of use, and 2 non return regulators.

I also have the bypass style holley regulator that i will let go for $35 shipped.