SKU: 84101524145

600 CFM Double Pumper Carburetor - 0-4776S

Sale price$314.98 Regular price$349.98
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

600 CFM Double Pumper Carburetor - 0-4776SOverview: 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:

  • Shiny finish for good 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 600
Choke Manual
Condition New
Emission Code 3
Finish Shiny
Fuel Gasoline
Fuel Inlet Dual
Marine Use No
Material Aluminum
Model 4150
Primary Main Jet 66
Primary Power Valve 6.5
Primary Pump Nozzle Size 28
Product Type 4150 Model Carburetor
Secondaries Mechanical
Secondary Main Jet 73
Secondary Pump Nozzle Size 31
Supercharged Application No
Throttle Bore 1.563 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: 84101524145

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Kizzy
Whiting, US
★★★★★ 5
Wardrobe staple!
These are PERFECT for summer but also will be great for layering in cooler weather. I bought 2 different packages so I have a plethora of colors to choose from. The fabric is extremely comfortable and great quality. I went with med/large because I'm a 36DD, 145 lbs and 5'6". I could've gone for the next size up, they're snug but not at all tight after wearing for a bit... and I can skip the bra! There's no side boob as they go quite high in the pit area. They're thick, not see through and fine ribbed so no visible nips. They rest right at my belly button and I'm pretty long waisted. I haven't washed them yet but not too worried because I don't dry most of my clothes anyway.
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Reviewed in the United States on July 23, 2025
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Karen Hoss,Karen Hoss,Karen Hoss,Karen Hoss,Karen
Los Angeles, US
★★★★★ 5
They work
Love them!!! I stay so hot and these really wick the moisture away!
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Reviewed in the United States on February 26, 2026
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Mia
Dallas, US
★★★★★ 2
Not for me
Returned. Too flimsy, did not like the strups shape, was not flattering or supportive in any way, white one is completely see through
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Reviewed in the United States on March 17, 2026
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Siobhan Smith
Lowell, US
★★★★★ 5
Super soft and comfortable!
I haven't bought new underwear in forever. I used to wear thongs, but now find them incredibly uncomfortable. The last few times I've tried to buy new underwear, the sizing was either way off (I'm a medium, but gave up after having to return them for a large and then extra large) or the quality was horrible (two brands stretch waaaay out and they can fall down while wearing them (I have larger ass-ets, so they shouldn't start to slide down during use). I tried these after buying some bamboo pyjamas and I love them! They are incredibly soft, comfortable, and stretchy. I can use them all day, and they work well, whether I'm lounging on the couch or wearing them under my spandex shorts at the gym, they don't ride up or slide down. They are both comfortable and look sexy, while providing support in all the right places. I haven't had them too long, so I can't speak on the durability, but they appear to be of good quality and I plan to order more, this time without the band.
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Mariel
West Palm Beach, US
★★★★★ 5
Well made, light fabric. Waist doesn't roll.
These bamboo underwear really do keep you cool. They fit true to size, and wear easily. the wide elastic waist band doesn't roll on me. They are comfortable to wear, washed and dried easily. The material has some stretch to it, but not a lot. Well made, no stray strings. Perfect fit for me. Just what I was looking for.
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