Engine Kits

Carburetor Main Body, 650CFM
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Carburetor Main Body, 650CFM

Part #: 67203
List Price: $244.18
Our Price: $169.22
You Save: $74.96

650CFM Replacement (flows up to 690CFM)
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® and Double Pumper® are registered trademarks of Holley® Performance Products, Inc. This product is manufactured by Specialty Auto Parts USA, Inc. and it is not made by or endorsed by any other carburetor manufacturer.

Technical Note: Main body does not retain vacuum advance port in original metering block.

AVAILABILITY NOTICE: 67101C and 67203 will only be available in zinc until further notice. All other models are lightweight aluminum.

Accelerator Pump Discharge Nozzle Included Yes
Air Bleed Material Brass
Air Bleeds Included Yes
Booster Type Down-leg
Brand Proform
Fuel Bowl Gaskets Included Yes
Fuel Bowl Screw Gaskets Included Yes
Jet Material Brass
Jet Sizes Included 72/84
Jets Included Yes
Main Body Finish Zinc iridited
Main Body Gasket Included Yes
Main Body Material Cast zinc
Metering Block Gaskets Included Yes
Metering Plate Gaskets Included No
Part Type Carburetor Main Bodies
Primary Discharge Nozzle Size (in) 0.031 in.
Primary Inner Air Bleed Sizes Included 36
Primary Outer Air Bleed Sizes Included 73
Product Line Proform Main Bodies for Holley Carburetors
Quantity Sold individually.
Secondary Inner Air Bleed Sizes Included 36
Secondary Outer Air Bleed Sizes Included 73