Holley Single Stage 25 Power Valve - Standard Flow GBDXXC The filter regulator comes in

The filter regulator comes in 3/8"_x009d_ NPT or 8 AN port sizes to match most EFI fuel systems

both pumps can be wired for full time duty to get maximum performance and are proven with 18

438 in Diameter

Ring Terminals

494 in Guide

Holley Single Stage 25 Power Valve - Standard Flow GBDXXC The filter regulator comes inSingle Stage Power Valves Standard Flow #HLY125 10 Opening Vacuum 1. 0" Hg #HLY125 25 Opening Vacuum 2. 5" Hg #HLY125 35 Opening Vacuum 3. 5" Hg #HLY125 45 Opening Vacuum 4. 5" Hg #HLY125 50 Opening Vacuum 5. 0" Hg #HLY125 65 Opening Vacuum 6. 5" Hg #HLY125 75 Opening Vacuum 7. 5" Hg #HLY125 85 Opening Vacuum 8. 5" Hg #HLY125 95 Opening Vacuum 9. 5" Hg #HLY125 105 Opening Vacuum 10. 5" Hg Holley has been the undisputed leader in fuel systems for over