SKU: 79921577500

700 CFM Double Pumper Carburetor - 0-4778C

Sale price$404.98 Regular price$449.98
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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18

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Description

700 CFM Double Pumper Carburetor - 0-4778COverview: Holley Double Pumper carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile. The Double Pumper is

Overview:

Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. Double Pumper carburetors are an American icon when it comes to performance carburetors. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the street or the quarter mile. The Double Pumper is designed for use on lightweight vehicles with a manual transmission or an automatic transmission with a high stall and low rear end gears. The Double Pumper is available in a gold dichromate or tumble polished shiny finish and features dual accelerator pumps for additional fuel under initial acceleration; mechanical secondaries for great performance; dual feed fuel inlets for constant high volume fuel delivery and a manual choke for easy control of engine warm up. Don't trust your performance to just anyone, Holley is the only modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60's.

Features:

  • Gold Dichromate finish for corrosion resistance and classic Holley looks
  • Optimized street/strip calibration that works out-of-the-box
  • Manual choke (Cable driven, hand operated) for precise cold start control
  • Mechanical secondaries for awesome tire turning performance
  • Dual accelerator pumps for additional fuel under initial acceleration
  • Dual feed fuel inlets for constant high volume fuel delivery
  • Intended for lightweight vehicles w/ manual trans or automatics with high stall & low gearing
  • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Barrels 4
Booster Straight
Brand Holley
Carburetor Use Performance and Race
CFM 700
Choke Manual
Condition New
Emission Code 3
Finish Gold Dichromate
Fuel Gasoline
Fuel Inlet Dual
Marine Use No
Material Aluminum
Model 4150
Primary Main Jet 69
Primary Power Valve 6.5
Primary Pump Nozzle Size 28
Product Type 4150 Model Carburetor
Secondaries Mechanical
Secondary Main Jet 78
Secondary Pump Nozzle Size 31
Supercharged Application No
Throttle Bore 1.688 inch
Vacuum Ports 1 timed (spark) port, 1 full, and 1 PCV port
Warning California Proposition 65
Warranty Limited 90 Day
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 79921577500

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MamaLuvsBooks
Grantham, US
★★★★★ 5
The best, most comfortable, stylish, office chair you can get
Color: Furry Pink, Size: Luxurious(With Wheels)
Want your office to look amazing and fun! This is the office chair for you. It was easy to put together, it’s very comfortable, and so stylish! Soft and wide so you can sit criss cross! Love it so much! Highly recommend.
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Reviewed in the United States on May 15, 2026
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Gema P.
Massapequa, US
★★★★★ 5
Comfortable, Stylish, and So Easy to Assemble!
Color: Leather-beige, Size: Luxurious(With Wheels)
I recently purchased this chair and honestly, I’m very impressed! It took me longer to unpack everything than it did to actually assemble it. The setup was quick, simple, and the video instructions on YouTube made it even easier. The chair is super comfortable, rolls smoothly, and fits perfectly underneath my vanity without taking up too much space. I know it’s marketed as a “cross-legged” chair for younger users, but at 57 years old, sitting cross-legged isn’t exactly happening for me anymore 😂 — and I still absolutely love it. It’s stylish, comfortable, sturdy, and perfect for everyday use. I would definitely buy this chair again and highly recommend it to anyone looking for a cute and functional vanity or office chair!
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Reviewed in the United States on May 27, 2026
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Kate
Natrona Heights, US
★★★★★ 4
Seems sturdy
Color: Fabric-creamy Beige, Size: Luxurious(With Wheels)
Just put it together today, was fairly simple. Seems comfy, looks wider than I thought it would. Quality seems to be fairly decent.
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Reviewed in the United States on May 6, 2026
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Emily
Dallas, US
★★★★★ 5
Love this chair
Color: Leather-beige, Size: Luxurious(With Wheels), Color: Leather-beige, Size: Luxurious(With Wheels)
Super good quality and very comfortable and wide great leathery material and took only 15 minutes to put together. Wheels are smooth and it’s the perfect hight for my desk. No squeaking witch I love.
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Reviewed in the United States on June 6, 2026
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Trinity mcclain
Houston, US
★★★★★ 5
Best wide chair!
Color: Fabric-creamy Beige, Size: Luxurious(With Wheels), Color: Fabric-creamy Beige, Size: Luxurious(With Wheels)
My husband got me these for my nail room and they are amazing!! Super cozy, wide, not noisy. Very sturdy, I’m plus size and my dogs (30-60lbs) sit on my lap sometimes. Adjusts up and down easy. Overall definitely worth it for the price!!
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Reviewed in the United States on May 27, 2026

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