Holley's fuel pressure regulator for turbo engines will allow you to stabilize your fuel pressure as your engine kicks on boost. The top is made from the finest billet materials. They are easily adjustable with the turn of an allen wrench, allowing you to get the most out of your turbo powered VW engine. Requires a fuel pressure gauge. Kit includes: Part Number: HOLLEY12-803 Holley Fuel Pressure Regulator: Bottom port is inlet from fuel pump. Left and right ports are outlets to carburetors or pressure gauge. Part Number: TURBO-REGTOP Billet Aluminum Regulator Top: Holds up to boost pressure and also has bleed off port Part Number: WEBEXHPUMP000 One Way Check Valve: Holds pressure until motor settles down Part Number: AN-NIPPLE18 1/8NPT Male Nipple: Connects into manifold pressure hose anywhere that has pressure supplied from turbo to spike fuel pressure.
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