Billet Adjustable Regulator, Carbureted Applications, Bypass Style With Idle Bleed, Adjustable 4.5-9 PSI, 3/8" NPT Ports|Holley 12-842 Billet Adjustable Regulator.
Holley XP 4600 Adjustable Billet Fuel Log fits Holley Ultra HP & XP Carbs Black
Holley 12-847 Billet Adjustable Regulator
Holley 12-848 Billet Adjustable Regulator
Holley 12-880 Adjustable Billet By-Pass Regulator-6AN 4-65 PSI
Holley 12-846 Billet Adjustable Regulator
Holley 12-880 Adjustable Billet By-Pass Regulator-6AN
