Direct replacement components to turn a street carburetor into a high-performance carb: get that extra performance out of your ride in less than 30 minutes! Add up to 25-50 HP with PROFORM's 100% NEW, high-performance carburetor main body (no re-built components). Easy swap-in, swap-out installation utilizing existing metering blocks, fuel bowls, and baseplate. Involves only 14 screws. Has adjustable screw-in air bleeds, high-performance down-leg boosters. Get maximum air flow with no air horn, choke tower, or choke control. Comes with instructions, all necessary non-stick replacement gaskets, and high-performance jet kit. PROFORM is a registered trademark of Specialty Auto Parts USA, Inc. Holley's and Double Pumper's are registered trademarks of Holley's Performance Products, Inc. This product is supplied by Specialty Auto Parts USA, Inc. and it is not endorsed by any other carburetor manufacturer. Technical Note: Main body does not retain vacuum advance port in original metering block.
Specifications:
| Description_ABR |
Carb Body |
| Description_ASC |
Carburetor Main Body; For Use With Holley 1050 CFM 4150 Carb with Ann. Boosters |
| Description_DEF |
Carburetor Main Body |
| Description_EXT |
Engine Carburetor Main Body; For Use With Holley 4150 1050 CFM Annular Booster Carb; No Air Horn; Features Adjustable Air Bleeds and Hi-Performance Boosters; Comes with Gaskets and Jet Kit; Natural Aluminum Finish; New; Sold Individually |
| Description_INV |
Carb Main Body;Holley 1050 CFM;Ann-Boost |
| Description_DES |
Carburetor Main Body; For Use With Holley 1050 CFM 4150 Carb with Ann. Boosters |
| Description_SHO |
Carburetor Main Body |
| Description_MKT |
Direct replacement components to turn a street carburetor into a high-performance carb: get that extra performance out of your ride in less than 30 minutes! Add up to 25-50 HP with PROFORM's 100% NEW, high-performance carburetor main body (no re-built components). Easy swap-in, swap-out installation utilizing existing metering blocks, fuel bowls, and baseplate. Involves only 14 screws. Has adjustable screw-in air bleeds, high-performance down-leg boosters. Get maximum air flow with no air horn, choke tower, or choke control. Comes with instructions, all necessary non-stick replacement gaskets, and high-performance jet kit. PROFORM is a registered trademark of Specialty Auto Parts USA, Inc. Holley's and Double Pumper's are registered trademarks of Holley's Performance Products, Inc. This product is supplied by Specialty Auto Parts USA, Inc. and it is not endorsed by any other carburetor manufacturer. Technical Note: Main body does not retain vacuum advance port in original metering block. |
| Description_LAB |
Carburetor Main Body; For Use With Holley 1050 CFM 4150 Carb with Ann. Boosters |
| Booster Style |
Annular Boosters |
| Finish |
Natural |
| Air Bleeds Included |
Yes |
| Needle & Seat |
130 |
| Fuel Bowl Gaskets Included |
Yes |
| Category |
Carburetor Main Body |
| Air Bleed Size (Inner High Speed) |
31 / 31 |
| Material |
Aluminum |
| Color |
Natural Aluminum Finish |
| Technical Note |
Main body does not retain vacuum advance port in original metering block. |
| Secondaries |
Mechanical Secondaries |
| Feature/Benefit |
Direct replacement components to turn a street carburetor into a high-performance carb: get that extra performance out of your ride in less than 30 minutes! |
| Secondary Main Jet Size |
91 / .104 |
| Fuel Bowl Screw Gaskets Included |
Yes |
| Primary Main Jet Size |
87.5 / .099 |
| Discharge Nozzle Size (Primary / Secondary) |
.035 in. / .035 in. |
| Main Body Material |
Lightweight Aluminum |
| CFM |
1050 CFM |
| Air Bleed Material |
Brass |
| Fuel |
Gasoline |
| Air Bleed Size (Outer Idle) |
70 / 70 |
| Idle/High Speed Air Bleed Sizes |
70 / 31 |
| Length |
5.0000 |
| Width |
9.0000 |
| Height |
14.0000 |
| Weight |
6.0000 |
