SKU: 32436685319

Holley 650 cfm Double Pumper Alloy Carburetor With Manual Choke # HO0-4777S

Sale price$573.75 Regular price$637.50
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Description

Holley 650 cfm Double Pumper Alloy Carburetor With Manual Choke # HO0-4777SHolley 650 cfm Double Pumper Alloy Carburetor With Manual Choke # HO0 4777S Carburetor, Gasoline, Model 4150, Universal, 650 cfm, 4 Barrel, Manual Choke, Dual Inlet, Silver, Each CFM: 650 Fuel Type: Gasoline New or Remanufactured: New Number of Barrels: 4 Carburetor Flange: Square bore Choke: Manual Secondary Type: Mechanical Fuel Inlet: Dual Primary Jet Size: 67 Primary Power Valve (Hg): 6. 5 Hg Primary Discharge Nozzle Size (in.): 0. 028 in.

Holley 650 cfm Double Pumper Alloy Carburetor With Manual Choke # HO0-4777S
Carburetor, Gasoline, Model 4150, Universal, 650 cfm, 4-Barrel, Manual Choke, Dual Inlet, Silver, Each
CFM:
650
Fuel Type:
Gasoline
New or Remanufactured:
New
Number of Barrels:
4
Carburetor Flange:
Square bore
Choke:
Manual
Secondary Type:
Mechanical
Fuel Inlet:
Dual
Primary Jet Size:
67
Primary Power Valve (Hg):
6.5 Hg
Primary Discharge Nozzle Size (in.):
0.028 in.
Secondary Jet Size:
73
Secondary Discharge Nozzle Size (in.):
0.028 in.
Carburetor Color:
Silver
Ford Kickdown:
No
Booster Type:
Straight-leg
Throttle Linkage Type:
Universal
Carburetor Height (in.):
3.250 in.
Quantity:
Sold individually.
Notes:
9.500 in fuel line center to center length.
Holley 4150 Double Pumper Carburetors
Holley 4150 Double Pumper carburetors are a perfect upgrade for hot street cars and race vehiclesthey're an American icon when it comes to performance. From their roots as the premier carb on many factory muscle cars, to powering thousands of vehicles across the finish line, the Double Pumper is a great choicewhether you're burning up the street or the quarter-mile. The Double Pumper is designed for use on lightweight vehicles with a manual transmissionor an automatic transmission with a high stall and low rear-end gears. These carburetors are available in a gold dichromate or tumble polished shiny finish, along with these 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. Order the model with options to suit your application.
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: 32436685319

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james granata
Draper, US
★★★★★ 3
Very unreliable size chart second and final time I go there.
Color: Angel Falls, Size: Medium
Size chart unreliable, medium very baggy, decent quality
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Reviewed in the United States on April 24, 2026
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Ron's Raves & Roasts
Waukegan, US
★★★★★ 5
Great Fit and Price While Updating My Wardrobe
Color: Shortbread, Size: Large
As I’ve been getting fitter, my old clothes started looking too baggy, so I needed something that fit better without breaking the bank. This COOFANDY chambray shirt turned out to be exactly what I was looking for—lightweight, wrinkle-resistant, and stylish enough for casual or dressy wear. The fabric feels soft and breathable, and it pairs easily with jeans or slacks. Since I’m still losing weight, I didn’t want to overspend on clothes I may size out of soon, and these hit the sweet spot for both quality and affordability.
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Reviewed in the United States on September 28, 2025
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Lyle Miller
Boise, US
★★★★★ 1
Wron Size Shipped Twice
Color: White, Size: Large
I ordered a large twice. 1st delivery was an XL, two sizes too large. The second reorder was an L, and fit like a medium. They can't get the order siz right.
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Reviewed in the United States on May 7, 2026
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Claude Cooper
Port Orchard, US
★★★★★ 5
Excellent shirt!
Color: Chive, Size: Large
Excellent shirt! Comfortable and looks great! True to size, and light weight.
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Reviewed in the United States on March 22, 2026
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Daniel B.
Waukegan, US
★★★★★ 5
Great suit, great price
Size: Small, Color: Dark Grey
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Reviewed in the United States on May 15, 2026

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