Holley Single Stage 25 Power Valve - Standard Flow GBDXXC Fuel Inlet Fitting: -8 AN

Fuel Inlet Fitting: -8 AN Male to -10 AN O-Ring Port

494 in Guide

438 in Diameter

Front / Rear

Medium Red Iridium

Holley Single Stage 25 Power Valve - Standard Flow GBDXXC Fuel Inlet Fitting: -8 ANSingle 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