Holley

Dual fuel lines for Holley 4150 Ultra XP Carburetors w -8 O-ring XP Bowls. Fuel line with single 8AN inlet, fittings with Pro-Lite 350 hoseFeatures:The fuel lines are 9.75” long (standard fuel line is 9.50”)Increased fuel volume of each bowl extends length by .125” per bowl (.250” overall).BrandHolleyCenter to Center Measurement9.75"Emission Code5FinishBlackMaterialAluminumModel4150 Ultra XPProduc..

Dual fuel lines for Holley 4150 Ultra XP Carburetors w -8 O-ring XP Bowls. Fuel line with dual 8AN inlet, fittings with Stainless hoseFeatures:Increased fuel volume of each bowl extends length by .125” per bowl (.250” overall).The fuel lines are 9.75” long (standard fuel line is 9.50”)BrandHolleyCenter to Center Measurement9.75"Emission Code5FinishBlackMaterialStainless SteelModel4150 Ultra XPProd..

Swivel-Seal fuel line for the new Ultra XP with 6 AN male inletBrandHolleyCenter to Center Measurement9.75"Emission Code5FinishBlueMaterialStainless SteelModel4150 Ultra XPProduct TypeFuel LinePart Number34-45..

Swivel–Seal billet single feed fuel line kit that fits 4150 Ultra XP Model carburetors with –8 AN male inlet fittings and XP fuel bowls with a 9.75" Center to Center on the fuel inlets. Features:Braided Stainless Steel LineRugged Billet ConstructionAN fittingsRed and Blue AnodizedFor Holley 4150 XP CarburetorsBrandHolleyCenter to Center Measurement9.75"Emission Code5FinishBlueMaterialStainless Ste..

Dual fuel lines for Holley Gen 3 Dominator Carburetors w -8 O-ring HP Bowls. Fuel line with dual 8AN inlet, fittings with Pro-Lite 350 hose Features:The fuel are 11.5” long (standard fuel line is 11.250”)Increased fuel volume of each bowl extends length by .125” per bowl (.250” overall)Pro-Lite 350 LineRugged Billet ConstructionAN fittingsBlack AnodizedFor Holley 4500HP DominatorsBrandHolleyCenter..

Dual fuel lines for Holley Gen 3 Dominator Carburetors w -8 O-ring HP Bowls. Fuel line with dual 8AN inlet, Red & Blue fittings with Stainless hose Features:The fuel are 11.5” long (standard fuel line is 11.250”)Increased fuel volume of each bowl extends length by .125” per bowl (.250” overall)Braided Stainless Steel LineRugged Billet ConstructionAN fittingsRed and Blue AnodizedFor Holley 4500HP D..

Dual fuel lines for Holley Gen 3 Dominator Carburetors w -8 O-ring HP Bowls. Fuel line with dual 8AN inlet, fittings with Stainless hoseFeatures:For Holley 4500HP DominatorsBlackAN fittingsRugged Billet ConstructionBraided Stainless HoseIncreased fuel volume of each bowl extends length by .125” per bowl (.250” overall)The fuel are 11.5” long (standard fuel line is 11.250”)BrandHolleyCenter to Cent..

Chrome accelerator Pump Cover 30cc. Includes screwsBrandHolleyEmission Code5FinishChromeMaterialZincProduct TypeAccelerator Pump CoverSize30ccPart Number34-504..

Chrome accelerator Pump Cover for 50cc pump assembliesBrandHolleyEmission Code5FinishChromeMaterialZincProduct TypeAccelerator Pump CoverSize50ccPart Number34-505..

Fuel Line Chrome For Holley Model 4500 & Dominator Carburetor 5/8"-18 inverted flare inlet.BrandHolleyCenter to Center Measurement11.5"Emission Code5FinishChromeMaterialSteelModel4500Product TypeFuel LinePart Number34-550..

Metering Block Standard Finish PN[0-1850C] Or Most Any Model 4160 w/Side Hung Float BowlFeatures:Allows Use Of Main JetsComplete With Longer Bowl Screws, Gaskets, And Transfer TubeBrandHolleyEmission Code5Product TypeMetering BlockPart Number34-6..

Metering Block Shiny Finish PN[0-1850S/0-80457S]Features:Allows Use Of Main JetsComplete With Longer Bowl Screws, Gaskets, And Transfer TubeBrandHolleyEmission Code5Product TypeMetering BlockPart Number34-6S..

Easily convert your 0-1850SA or 0-80457SA 600 CFM carburetor to a model 4150 by adding a secondary metering block. The addition of a secondary metering block will allow you to fine tune your carburetor by utilizing replaceable main jets versus the fixed orifices found in a metering plate.Features:Allows Use Of Main JetsComplete With Longer Bowl Screws, Gaskets, And Transfer TubeBrandHolleyEmission..

Gold Needle & Seat adjusting nut & lock screwFeatures:Gold adjusting nut and gasketGold lock screw and gasketBrandHolleyEmission Code5MaterialBrassProduct TypeNeedle and Seat Hardware KitPart Number34-7..

Replacement needle and seat lock screw and adjustment nut for carburetors with black hardware. Works with all Holley carburetors with an adjustable needle and seatFeatures:Black lock screw and gasketBlack adjusting nut and gasketBrandHolleyColorBlackEmission Code5Product TypeNeedle and Seat Hardware KitPart Number34-7BK..

The Holley jet assortment kit is the professional way to track-tune your Holley carburetor for top performance. This kit consists of two (2) each of thirty-six (36) different jet sizes, ranging from #64 to #99. The jets are contained in a plastic case that is designed to keep them separated and make them easily accessible. Jet sizes selected will give the broadest range of adjustment and tuning fo..

This tuning kit contains a selection of main jets, pump nozzles and power valves, in popular sizes, all contained in a handy and durable, compartmentalized plastic case. Ideal for track-side tuning, this kit provides a quick and easy way to accomplish your carburetor tuning with the correct parts. In addition, the parts case allows you to keep parts organized and readily at hand. A handy parts gui..

This tuning kit is composed of a selection of accelerator pump hardware components including pump diaphragms, pump nozzles, pump cams and related parts. Contained in a convenient plastic parts case, this kit has all that is required to properly tune and calibrate the accelerator pump circuit(s) for your street, drag or circle track car or tow vehicle. A handy parts guide is affixed to the inside c..

This Holley jet assortment kit consists of 4 EA. of 24 standard length jets that range in size from .132" to .200". These jets will not fit the standard Holley metering block; they are designed to fit only the 750 and 950 CFM HP and 0-80586 DOMINATOR alcohol carburetors featured elsewhere in this catalog. The assortment is packaged in a durable plastic carrying case.Features:4 Each Of Jet Sizes 13..

This air bleed kit is a must when track-tuning a Holley® 4500 DOMINATOR® or Model 4150HP™ carburetor for maximum performance. The kit includes four (4) each of the following bleed sizes: 23-41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, & 69-78. Air bleeds are contained in a plastic case that is designed to be read with the top open, keeps them separated and makes them easily access..