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
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
Description
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:16:16
Features
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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 | |
|---|---|
| Brand | Holley |
| Manufacturer's Part Number | 134-312 |
| Part Type | Carburetor Main Bodies |
| Product Line | Holley Carburetor Main Bodies |
| UPC | 090127000021 |
| Main Body Material | Aluminum |
| Main Body Finish | Shiny |
| Booster Type | Down-leg |
| Main Body Gasket Included | No |
| Metering Block Gaskets Included | No |
| Metering Plate Gaskets Included | No |
| Fuel Bowl Gaskets Included | No |
| Fuel Bowl Screw Gaskets Included | No |
| Jets Included | No |
| Accelerator Pump Discharge Nozzle Included | Yes |
| Primary Discharge Nozzle Size (in.) | 0.031 in. |
| Secondary Discharge Nozzle Size (in.) | 0.031 in. |
| Air Bleeds Included | Yes |
| Air Bleed Material | Brass |
| Primary Outer Air Bleed Sizes Included | 70 |
| Primary Inner Air Bleed Sizes Included | 40 |
| Secondary Outer Air Bleed Sizes Included | 70 |
| Secondary Inner Air Bleed Sizes Included | 40 |
| Quantity | Sold individually. |
| Notes | 650 cfm replacement main body for Holley Ultra XP carburetors. |
Compatibility
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