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Holley Carburetor Main Bodies 134-312 Components, Body, Ultra XP, Replacement, 650 cfm, Aluminum, Shiny Finish, Down-Leg Boost, Discharge Nozzle, Brass Air Bleeds, Each

SKU: HLY134-312

Carburetor Main Bodies

Holley Carburetor Main Bodies 134-312 Components, Body, Ultra XP, Replacement, 650 cfm, Aluminum, Shiny Finish, Down-Leg Boost, Discharge Nozzle, Brass Air Bleeds, Each

SKU: HLY134-312

Carburetor Main Bodies
A$872.17
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:16:16

Data: v4.2 - Upd: 2026-11-08 06:33:22

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Holley, Hilborn, Holley Efi, Retrobright, Terminator X
StreetFX SKU hly134-312
SFX Item ID 4783390
Accounting SKU hly-134-312
Manufacturer SKU 134-312
Manufacturer UPC 090127000021
Alternative References 134-312, HLY-134-312, HOL134-312

Carburetor Components, Main Body, Ultra XP, Replacement, 650 cfm, Aluminum, Shiny Finish, Down-Leg Boost, Discharge Nozzle, Brass Air Bleeds, Each

Want to upgrade your street carburetor to a high performance race carb, but don't have the means to do a complete carb swap? If you can turn a screwdriver, you can get 25 to 50 hp from these Holley carburetor main bodies. With no air horn, choke tower, or choke control to restrict airflow, they deliver extra power easily and affordably. These main bodies are available in a standard dichromate or shiny finish.

Product Attributes
BrandHolley
Manufacturer's Part Number134-312
Part TypeCarburetor Main Bodies
Product LineHolley Carburetor Main Bodies
UPC090127000021
Main Body MaterialAluminum
Main Body FinishShiny
Booster TypeDown-leg
Main Body Gasket IncludedNo
Metering Block Gaskets IncludedNo
Metering Plate Gaskets IncludedNo
Fuel Bowl Gaskets IncludedNo
Fuel Bowl Screw Gaskets IncludedNo
Jets IncludedNo
Accelerator Pump Discharge Nozzle IncludedYes
Primary Discharge Nozzle Size (in.)0.031 in.
Secondary Discharge Nozzle Size (in.)0.031 in.
Air Bleeds IncludedYes
Air Bleed MaterialBrass
Primary Outer Air Bleed Sizes Included70
Primary Inner Air Bleed Sizes Included40
Secondary Outer Air Bleed Sizes Included70
Secondary Inner Air Bleed Sizes Included40
QuantitySold individually.
Notes650 cfm replacement main body for Holley Ultra XP carburetors.

Compatibility

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