Holley Single Stage 155 Power Valve - High Flow R03J003 AFR's LSX is a direct

AFR's LSX is a direct bolt on

750 in Square Port

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Full Re-Flash/Program Capability

Holley Single Stage 155 Power Valve - High Flow R03J003 AFR's LSX is a directSingle Stage Power Valves High Flow #HLY125 125 Opening Vacuum 2. 5" Hg #HLY125 135 Opening Vacuum 3. 5" Hg #HLY125 145 Opening Vacuum 4. 5" Hg #HLY125 155 Opening Vacuum 5. 5" Hg #HLY125 165 Opening Vacuum 6. 5" Hg #HLY125 185 Opening Vacuum 8. 5" Hg #HLY125 1005 Opening Vacuum 10. 5" Hg Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock champion