Special Offers

NEW AND IMPROVED Single Inlet, Dual Needle & Seat Fuel Bowl. Constructed from T6061 Billet Aluminum, and holds 175 ml of fuel versus 100 ml in the previous dual needle & seat fuel bowl. Also designed with a drain plug and larger taper at the back of bowl for better drainage. Includes dual notched floats and center baffle to reduce fuel slosh. Fits all 2300, 4150 and 4500 style carbs, and comes wi..

4412 Modified Metering Block - Used when rules prohibit billet or HP® style blocks. This block has been modified internally to increase the useable RPM range of the carburetor. BrandQuick FuelEmission Code5Product TypeMetering Block KitPart Number34-12QFT..

Metering Block Standard Finish 0-3310C and most 4160 Carburetors with center hung fuel bowlsFeatures:No Provision For Power ValveAllows The Use of Metering JetsIncludes Gaskets And Longer Fuel Bowl ScrewsBrandHolleyEmission Code5Product Type4160 to 4150 Conversion KitPart Number34-13..

Metering Block Shiny Finish PN[0-3310S and most 4160 Carburetors with center hung fuel bowls)Features:No Provision For Power ValveAllows The Use of Metering JetsIncludes Gaskets And Longer Fuel Bowl ScrewsBrandHolleyEmission Code5Product Type4160 to 4150 Conversion KitPart Number34-13S..

Easily convert your 0-3310SA or 0-80508SA 750 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:No Provision For Power ValveAlows The Use of Metering JetsIncludes Gaskets, Jets and Longer Fuel Bowl..

Fuel Line Chrome For Holley Model 4150 Carburetor 5/8-18 inverted flare inlet. 9.313" center to center. BrandHolleyCenter to Center Measurement9.313"Emission Code5FinishChromeMaterialSteelModel4150Product TypeFuel LinePart Number34-150..

Fuel Line Chrome For Holley Model 4160 Carburetor 5/8-18 inverted flare inlet. 8-21/32" center to center.BrandHolleyCenter to Center Measurement8-21/32"Emission Code5FinishChromeMaterialSteelModel4160Product TypeFuel LinePart Number34-160..

Chrome Universal 180 deg. fitting 3/8" hose to 5/8"-18 inverted flareBrandHolleyEmission Code5FinishChromeMaterialSteelModel4160 Single InletProduct TypeFuel LinePart Number34-21..

Fitting Chrome Universal 90 deg. fitting 3/8" hose end with 5/8"-18 inverted flare fitting.BrandHolleyEmission Code5FinishChromeMaterialSteelModel4160 Single InletProduct TypeFuel LinePart Number34-22..

Quick Change Jet Kits For Model 4500 Dominator Standard includes primary bowl, secondary bowl and P/N 26-68 jet toolFeatures:For Center-Hung-StyleFor Race Fuel BowlEasy To InstallIncludes Fuel BowlIncludes Gaskets/PlugsAllows Jet Changesw/o Removing Fuel BowlNew Standard Of ConvenienceBrandHolleyEmission Code5Product TypeQuick Change Jet KitsPart Number34-24..

Primary center hung Quick Change Jet Kits For Model 4150 & 4160. includes 26-68 jet removal tool. Standard finishFeatures:For Center-Hung-StyleFor Race Fuel BowlEasy To InstallIncludes Fuel BowlIncludes Gaskets/PlugsAllows Jet Changesw/o Removing Fuel BowlNew Standard Of Conveniencecarburetors. Primary fuel bowl with single fuel inletBrandHolleyEmission Code5Product TypeQuick Change Jet KitsPart N..

Secondary Quick Change Jet Kits For double pump model 4150 Carburetor with center hung bowls. Standard finish Features:For Center-Hung-StyleFor Race Fuel BowlEasy To InstallIncludes Fuel BowlIncludes Gaskets/PlugsAllows Jet Changesw/o Removing Fuel BowlNew Standard Of ConvenienceBrandHolleyEmission Code5Product TypeQuick Change Jet KitsPart Number34-26..

Billet Metering Plate Kit - Designed for carburetors with side-pivot fuel bowls and no secondary metering block (most vacuum secondary carburetors). Replaces stock metering plate and has provision for main jets Allows tuning of fuel curve and performance without changing or drilling existing cast plates. Billet aluminum CNC machined and anodized red Comes with modifed float (to clear main jets..

Venturi Booster Kit Annular-Style For Classic Dominator. Includes booster pins.BrandHolleyEmission Code5MaterialAluminumProduct TypeVenturi Booster KitPart Number34-34..

Black anodized adjustable billet fuel line for dual feed Model 4150 and Dominator Carburetors Adjustable to allow for fitment on various metering block and fuel bowl configurations. Models With 7/8-20 Fuel Bowl Threads -8AN Male Inlets with 3/8" NPT Outlet At Rear Of Log for return line if needed.Features:Black anodized adjustable billet fuel line8 AN Inlet/outlet.BrandHolleyCenter to Center Mea..

Billet Metering Plate Kit - Designed for carburetors with center-pivot fuel bowls and no secondary metering block (most vacuum secondary carburetors). Replaces stock metering plate and has provision for main jets Allows tuning of fuel curve and performance without changing or drilling existing cast plates. Billet aluminum CNC machined and anodized red Comes with replacement gaskets. BrandQuick..

#6 AN Fuel line for Q-Series, SS-Series, and 4150 style carburetors with dual metering blocks and 7/8"-20 fuel bowl threads. Comes with reusable gaskets. Black anodized. BrandQuick FuelEmission Code5FinishBlackMaterialStainless SteelModel4150Product TypeFuel LinePart Number34-4150-6QFT..

Dual fuel lines for Holley 4150 Ultra XP Carburetors w -8 O-ring XP Bowls. Fuel line with single 6AN 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 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..