Holley high output mechanical marine fuel pumps provide a continuous fuel supply for your performance marine engine while maintaining the reliability you expect. All pumps have 3/8" NPT inlet and outlet ports and a fuel/fume tube to meet U.S. Coast Guard requirements. The fuel body can be rotated to accommodate various plumbing situations. A pressure regulator must be used with 130 GPH pumps (sold separately). B/B Chevy 110 GPH
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