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25% Off Online Orders of Select Hard Parts. Enter Promo Code MMJ25 in Cart.

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Receive Up To 25% Off Your Online Purchase Of Select Parts And Accessories
Use promotional code MMJ25 at checkout to receive 25% off the following categories: Select Brake Parts, Select Hi-Performance and Truck Accessories, Batteries, Paint, Splash Guards, Select Ventvisors & Bug Shields, Springs & Spacers, Water Pumps, Belts, A/C Parts, Starters, Alternators, Fuel Pumps, Radiators, Radiator Fans, Thermostats, Caps & Clamps, Clutches, Spark Plugs, Plug Wires, CV Axles, Battery Chargers & Booster Cables, OE Locks, Rack & Pinons, Window Motors, RainX Wipers, Appearance Chemicals, Floor Mats, Lift Equipment, Hand Tools, Travel Accessories, Car Covers, Seat Covers, Wheel Covers, Body Repair, Collectibles and Apparel.

Use promotional code MMJ20 at checkout to receive 20% off the following categories: Ignition, Shocks & Struts, Chassis, Jumpstarts, Air Filters, Oil Filters, Bearings & Seals, Engine Parts, Wash Accessories,. Outdoor Lifestyle, Towing, Mini Air Compressors and Tire Repair Accessories.

Offers not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included in these offers will be displayed in product search results and product detail pages. Excludes the following brands: Champion, Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner, Philips and BBK Performance. Valid online until 11:59 PM EST on 10/29/17.

Receive 25% Off Wagner branded brake parts with your online purchase. Use promotional code: WAGNER25.

Receive 10% Off Select Champion, MOOG and FelPro branded products with your online purchase. Use promotional codes: CHAMP10, MOOG10 and/or FELPRO10.


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Proform Engine Carburetor Main Body for Holley Carbs 903783
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  • Part #: 67100C|
  • SKU: 903783

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Pay in Store Available

    • For Holley Carburetor Part Numbers 4777, 4778, 4779 and 4780
    • Constructed from aluminum, these direct replacement components turn a street carb into a high-performance carb in as little as 30 minutes
Retail
$124.99

Proform Engine Carburetor Main Body for Holley Carbs

Get the carburetor components your need for better performance with Proform.
  • For Holley Carburetor Part Numbers 4777, 4778, 4779 and 4780
  • Constructed from aluminum, these direct replacement components turn a street carb into a high-performance carb in as little as 30 minutes
  • Add up to 50 HP
  • Talk about ease of installation, simply swap in- swap out using your existing metering blocks, fuel bowls and baseplate
  • Involves only 14 screws
  • Main body does not retain vacuum advance port in original metering block
  • Promotes outstanding air flow with no air horn, choke tower or choke control
  • Comes with instructions, all requires non-stick replacement gaskets and a high-performance jet kit
  • Pairs perfectly with Holley Carburetor Part Numbers 4777, 4778, 4779 and 4780
  • The Pep Boys say: “Dump that boat anchor you call your main body with a Proform aluminum one.”
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.

903783

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