Holley Single Stage 65 Power Valve - Standard Flow Primer For either square- or spread-bore

For either square- or spread-bore carbs

1973-1974 Pontiac Grand Am

L Size Hook & loop fastening system Length can be trimmed to size

The #5900 Series valve springs are designed for use with OEM valve rotators

Titanium Nitride (TiN)

Holley Single Stage 65 Power Valve - Standard Flow Primer For either square- or spread-boreSingle 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