Seller notes

HOLLEY BRAND # 12-803 FUEL PRESSURE REGULATOR4 1/2 - 9 PSI 3/8 NPT Ports Kit Includes:1 - FUEL PRESSURE GAUGE - A66 PLEASE NOTE!THIS FUEL PRESSURE REGULATOR AND GAUGE IS RECOMMENDED FOR ENGINES UP TO 600 HP REGULATOR FEATURES: A HIGH FLOW CAPACITY FOR SINGLE 4 BARREL ENGINES UP TO 600 HP BENEFITS Enables you to regulate your fuel pressure based on your carburetor and vehicle application needs. Too much fuel pressure can "blow-out" your needle and seat assemblies or cause you to run "rich" giving...

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