Holley

Secondary Metering PlateMain Hole .081", Idle Hole .040"HO134-21134-21Secondary Metering Plate Main Hole 0.081 Idle Hole 0.040

Secondary Quick Change Jet Kit for Double Pump 4150 with Center Hung BowlsHO34-2634-26For Center Hung Style For Race Fuel Bowl Easy To Install Incl...

Secondary Quick Change Jet Kit for Single Pump 4150 with Center Hung BowlsHO34-2734-27For Center Hung Style For Race Fuel Bowl Easy To Install Incl...

Side Hung Float Brass FloatHO116-4116-4Holley Performance Products has been the undisputed leader in fuel systems for over 100 years. Holley's prod...

Side Hung Float Nitrophyl FloatFor externally adjustable float bowlsHO116-1116-1Holley Performance Products has been the undisputed leader in fuel ...

Single-Stage Power Valve High Flow 10.5" Hg, Including GasketHO125-1005125-1005Holley Performance Products has been the undisputed leader in fuel s...

Single-Stage Power Valve High Flow 2.5" Hg, Including GasketHO125-125125-125Holley Performance Products has been the undisputed leader in fuel syst...

Single-Stage Power Valve High Flow 3.5" Hg, Including GasketHO125-135125-135Holley Performance Products has been the undisputed leader in fuel syst...

Single-Stage Power Valve High Flow 4.5" Hg, Including GasketHO125-145125-145Holley Performance Products has been the undisputed leader in fuel syst...

Single-Stage Power Valve High Flow 5.5" Hg, Including GasketHO125-155125-155Holley Performance Products has been the undisputed leader in fuel syst...

Single-Stage Power Valve High Flow 8.5" Hg, Including GasketHO125-185125-185Holley Performance Products has been the undisputed leader in fuel syst...

Single-Stage Power Valve STD Flow 10.5" Hg, Including GasketHO125-105125-105Holley Performance Products has been the undisputed leader in fuel syst...

Single-Stage Power Valve STD Flow 2.5" Hg, Including GasketHO125-25125-25Holley Performance Products has been the undisputed leader in fuel systems...

Single-Stage Power Valve STD Flow 3.5" Hg, Including GasketHO125-35125-35Holley Performance Products has been the undisputed leader in fuel systems...

Single-Stage Power Valve STD Flow 4.5" Hg, Including GasketHO125-45125-45Holley Performance Products has been the undisputed leader in fuel systems...

Single-Stage Power Valve STD Flow 5.0" Hg, Including GasketHO125-50125-50Holley Performance Products has been the undisputed leader in fuel systems...

Single-Stage Power Valve STD Flow 5.5" Hg, Including GasketHO125-55125-55Holley Performance Products has been the undisputed leader in fuel systems...

Single-Stage Power Valve STD Flow 6.5" Hg, Including GasketHO125-65125-65Holley Performance Products has been the undisputed leader in fuel systems...

Single-Stage Power Valve STD Flow 7.5" Hg, Including GasketHO125-75125-75Holley Performance Products has been the undisputed leader in fuel systems...

Single-Stage Power Valve STD Flow 8.5" Hg, Including GasketHO125-85125-85Holley Performance Products has been the undisputed leader in fuel systems...

Single-Stage Power Valve STD Flow 9.5" Hg, Including GasketHO125-95125-95Holley Performance Products has been the undisputed leader in fuel systems...

Standard Main Jet #1001/4-32" Thread, .1285" Hole Size (Pair)HO122-100122-100These metering orifices control fuel flow into the metering system. Th...

Standard Main Jet #1011/4-32" Thread, .126" Hole Size (Pair)HO122-101122-101These metering orifices control fuel flow into the metering system. The...

Standard Main Jet #1031/4-32" Thread, .130" Hole Size (Pair)HO122-103122-103These metering orifices control fuel flow into the metering system. The...