Check the listing for details. Fuel Pressure Regulator, Gauge, Bracket, 4500 Holley Dominator Carb Fuel Lines. Condition: New. Listed at 179.99 USD. Made for Holley 4500 Dominator carburetors. This listing includes the following: Custom Billet Fuel Pressure Regulator, 3/8 NPT, made in the USA Fuel Pressure Regulator Bracket, hardware Fuel Pressure Gauge 0-15 psi Custom pre-assembled carb feed lines with swivel fittings - now with 45 degree hose ends on both regulator and carburetor side-6AN to 7/8"-20 carburetor inlet adapter fittingsWill not fit Gen III Dominator carbs, see our other items for products that fit Gen III Dominator carbsMaximum regulator inlet fuel pressure is 20 psi ** Does not include carburetor ** Regulators need to be mounted as close as possible to the carburetor to counter the effects of g-force stalling fuel in the lines. We have designed this kit to mount a fuel pressure regulator close to the carburetor and simplify plumbing the dual inlets. Please measure your available clearance to your valve cover before purchasing, regulator & gauge plus bracket extends out approximately 6" from carburetor. Please ask if you are unsure of your application. Specifications: Regulator is adjustable from 5 to 12 psi, ideal for Holley carb is 6.5 to 7 Regulator is blocking or "dead head" style, does not require return line to fuel tank Regulator inlet is 3/8" NPT female, plumbing to feed regulator is not included Regulator inlet is the bottom of the regulator (marked "IN") Regulator features two 1/8" NPT ports for gauge, etc., 0-15 psi gauge is included in this kit Feed lines to carb are 7/8"-20 for Holley Dominator / 4500 carburetors Regulator bracket fits 4500 flange, will not fit any other carburetors Click here to shop my store! Purchase Details: eCheck payments wait to ship until the eCheck clears, per PayPal instructions International buyers pay import duties / customs fees My name is Chris and I sell on eBay using the golden rule: treat others as I'd want to be treated (and it's worked so far: look at my feedback since 1999 on eBay). I'm happy to answer any questions. I want each transaction to go smoothly!