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Holley Aluminum Ultra XP Carburetors 0-80805RD

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Carburetor, Ultra XP, Race, 950 CFM, 4-Barrel, Tumble Polished, Red Anodized Metering Blocks, Each

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  • Order this item and get free delivery and handling on your entire order! Oversize fees also waived on this item. Valid on orders shipped in the contiguous United States.

Brand: Holley

Manufacturer's Part Number: 0-80805RD

Part Type: Carburetors

Product Line: Holley Aluminum Ultra XP Carburetors

Summit Racing Part Number: HLY-0-80805RD

UPC: 090127670989

CFM: 950

Fuel: Gasoline

New or Remanufactured: New

Number of Barrels: 4

Carburetor Flange: Holley 4150/Dominator

Choke: None

Secondary Type: Mechanical

Fuel Inlet: Dual

Primary Jet Size: 92

Primary Power Valve (Hg): 4.5 Hg

Primary Discharge Nozzle Size (in): 0.031 in.

Secondary Jet Size: 92

Primary Outer Air Bleed Sizes Included: 70

Primary Inner Air Bleed Sizes Included: 32

Secondary Discharge Nozzle Size (in): 0.031 in.

Secondary Power Valve: 4.5

Secondary Outer Air Bleed Sizes Included: 70

Secondary Inner Air Bleed Sizes Included: 32

Carburetor Finish: Tumble polished

Ford Kickdown: No

Booster Type: Down-leg

Throttle Linkage Type: Universal

Quantity: Sold individually.

Notes: Billet aluminum red anodized metering blocks. -8AN O-ringed inlet threads. Come standard with -8AN o-ring to -6AN male adapter and -8AN plug. Can be plumbed from either side. Holley Ultra XP race carburetors are for race applications only and are not designed or suggested for street use. Ultra XP carburetors do not provide attachment points for street transmissions, vacuum outlets or stock throttle linkage and cables.

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Holley aluminum Ultra XP carburetors feature all-new construction for maximum performance, right out of the box. They start off with a 6061-T6 billet aluminum black, bright-dipped anodized base plate. They feature elongated mounting holes, allowing for fitment in intake manifolds with a square 4150 or large Dominator-style flange. The base plates feature a dedicated, race-only throttle lever with all unnecessary street attachment points and tangs removed. A stainless steel adjustable secondary link offers you a choice of 1:1 or progressive secondary throttle actuation for ultimate control of the secondary opening rate. They also use knurled (hand-adjustable) primary and secondary curb idle screws, a capped primary throttle shaft, factory-machined mounting holes, and a throttle body and new secondary pump cam lever designed to provide positive throttle stop on the secondary side. On top of that, Holley uses an updated main body design with air bleeds moved outward to allow for a smoother transition of airflow from the top of the carburetors into the venturi. The integrated bypass valve eliminates the need for holes in the throttle plates, helping to maintain the correct plate to transfer slot relationship, as well as good idle control when using radical camshaft profiles. Also installed is a new contoured hex head squirter for streamlined airflow, and all unnecessary mounting bosses have been removed for a smoother, cleaner appearance. Next, they add 6061-T6 billet aluminum metering blocks with improved durability, true gasket sealing, and bright-dipped anodizing for corrosion protection. The blocks are fully adjustable (emulsion bleeds, power valve channel restrictors, and idle feed restrictors). Excess material has been removed for improved fuel capacity, an integrated pry point assists in disassembly from the fuel bowl and main body to prevent damage to the gaskets, and a new snap-in-place bowl vent whistle makes removal and/or replacement easier. Finally, they finish everything off with a totally new fuel bowl design. They have 20 percent more fuel capacity than traditional V-bowls, eliminating fuel starvation, while providing more consistent air/fuel ratios. The bowls have internal baffling to help control fuel slosh and minimize float level fluctuations in hard launching or cornering situations, and a fuel shelf built-in below the needle and seat to greatly minimize fuel aeration and promote better metering. Their unique fuel trough is designed into the floor bowl to route fuel flow directly to the jets and assist in keeping the jets covered by fuel. The specially made clear Pyrex sight windows are located on both sides of the fuel bowl, making fuel level adjustments safe and easy. The new bowl also uses a better positioned built-in drain plug to drain the fuel out of the bowl, and the contoured entry point provides XP smooth fuel flow directly to the needle and seat. These pieces combined make the Holley aluminum Ultra carburetors the perfect choice for your race-only application.

Results 1 - 2 of 2

Universal: Yes

Usage: Circle Track

Universal: Yes

Usage: Drag race

  • 1

22 Results Found

Holley 34-42 - Holley Fuel Lines

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Fuel Line, Braided Flex, Nylon/Rubber, Black Aluminum Fittings, -6 AN, Holley Ultra Series, Kit

Part Number: HLY-34-42

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$94.95

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Holley 36-378 - Holley Carburetor Installation and Tuning DVDs

Click here for more information about Holley 36-378 - Holley Carburetor Installation and Tuning DVDs

DVD, Holley Carburetor Installation and Tuning, Each

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Holley 36-51-7 - Holley Performance Illustrated Parts & Specs Manual

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Book, "Holley Illustrated Parts & Specs ", 448 Pages, Paperback, Each

Part Number: HLY-36-51-7

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Lokar SRK-4000 - Lokar Throttle Cable Brackets

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Throttle Cable Bracket, Stainless Steel, Polished, Holley, Edelbrock, Carter, Rochester, Kit

Part Number: LOK-SRK-4000

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$29.97

Lokar TC-1000HT - Lokar Hi-Tech Throttle Cables

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Throttle Cable, Hi-Tech, Braided Stainless Steel, 24 in. Long, Universal, Each

Part Number: LOK-TC-1000HT

Estimated Ship Date: Tomorrow

$49.97

Lokar TC-1000U - Lokar Hi-Tech Throttle Cables

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Throttle Cable, Black, 24 in. Long, Universal, Each

Part Number: LOK-TC-1000U

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Lokar TC-1000HT36 - Lokar Hi-Tech Throttle Cables

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Throttle Cable, Hi-Tech, Braided Stainless Steel, 36 in. Long, Universal, Each

Part Number: LOK-TC-1000HT36

Estimated Ship Date: Tomorrow

$55.97

Lokar TC-1000U36 - Lokar Hi-Tech Throttle Cables

Click here for more information about Lokar TC-1000U36 - Lokar Hi-Tech Throttle Cables

Throttle Cable, Hi-Tech, Braided Stainless Wire, Black Polyethylene Jacket, 3 ft. Length, Each

Part Number: LOK-TC-1000U36

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Driven Racing Oil 70040 - Joe Gibbs Driven Carb Defender Fuel Additive

Click here for more information about Driven Racing Oil 70040 - Joe Gibbs Driven Carb Defender Fuel Additive

Fuel System Additive, Carb Defender, 8.0 oz., Each

Part Number: JGR-70040

Estimated Ship Date: Tomorrow

$9.99

  • Restricted,

    Shipping restrictions may apply on this part.

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    If you purchase this part, your order can only be shipped by ground.

Holley 34-43 - Holley Fuel Lines

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Fuel Line, Braided Flex, Nylon/Rubber, Black Aluminum Fittings, -8 AN, Holley Ultra Series, Kit

Part Number: HLY-34-43

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$114.95

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  • Free Shipping

    Order this item and get free delivery and handling on your entire order! Oversize fees also waived on this item. Valid on orders shipped in the contiguous United States.

Earl's Performance AT991958ERL - Earl's Performance AN to Straight Cut O-Ring Fittings

Click here for more information about Earl's Performance AT991958ERL - Earl's Performance AN to Straight Cut O-Ring Fittings

Adapter Fitting, Straight, -8 AN Male to -8 AN O-Ring Male, Aluminum, Black Anodized, Each

Part Number: EAR-AT991958ERL

Estimated Ship Date: Tomorrow

$9.97

Holley 34-44 - Holley Fuel Lines

Click here for more information about Holley 34-44 - Holley Fuel Lines

Fuel Line, Braided Flex, Stainless Steel, Aluminum, Black Fittings, -8 AN, Holley Ultra Series, Kit

Part Number: HLY-34-44

Estimated Ship Date: Tomorrow

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$125.56

  • On Sale

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  • Free Shipping

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Earl's Performance AT991959ERL - Earl's Performance AN to Straight Cut O-Ring Fittings

Click here for more information about Earl's Performance AT991959ERL - Earl's Performance AN to Straight Cut O-Ring Fittings

Adapter Fitting, Straight, -6 AN Male to -8AN O-Ring Male, Aluminum, Black Anodized, Each

Part Number: EAR-AT991959ERL

Estimated Ship Date: Tomorrow

$8.97

Earl's Performance AT104295ERL - Earl's Performance Billet Swivel-Seal Fuel Lines

Click here for more information about Earl's Performance AT104295ERL - Earl's Performance Billet Swivel-Seal Fuel Lines

Fuel Line, Braided Nylon, Rubber, Aluminum, Holley Ultra 4150 HP, -8 AN Inlet, -8 AN Outlets, Kit

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HP Books HP473 - HP Books Holley Model 4150 & 4160 Carburetor Handbook

Click here for more information about HP Books HP473 - HP Books Holley Model 4150 & 4160 Carburetor Handbook

Book, "Holley Model 4150-4160 Carburetor Handbook", 80 Pages, Paperback, Each

Part Number: HPB-HP473

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Earl's Performance AT104195ERL - Earl's Performance Billet Swivel-Seal Fuel Lines

Click here for more information about Earl's Performance AT104195ERL - Earl's Performance Billet Swivel-Seal Fuel Lines

Fuel Line, Braided Nylon, Rubber, Aluminum, Ano-Tuff, Holley Ultra 4150HP, -6 AN Inlet, -6 AN Outlets, Kit

Part Number: EAR-AT104195ERL

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HP Books HP1052 - HP Books Holley Carburetors, Manifolds & Fuel Injection

Click here for more information about HP Books HP1052 - HP Books Holley Carburetors, Manifolds & Fuel Injection

Book, "Holley Carburetors, Manifolds & Fuel Injection", 192 Pages, Paperback, Each

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Holley 36-381 - Holley Carburetor Installation and Tuning DVDs

Click here for more information about Holley 36-381 - Holley Carburetor Installation and Tuning DVDs

Video, DVD, "Holley Carburetor Installation and Tuning", Each

Part Number: HLY-36-381

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$27.95

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Earl's Performance AT104286ERL - Earl's Performance Billet Swivel-Seal Fuel Lines

Click here for more information about Earl's Performance AT104286ERL - Earl's Performance Billet Swivel-Seal Fuel Lines

Fuel Line, Braided Nylon, Rubber, Aluminum, Ano-Tuff, Holley Ultra 4150HP, -8 AN Inlets, -8 AN Outlets, Kit

Part Number: EAR-AT104286ERL

Estimated Ship Date: Tomorrow

$125.97

  • Free Shipping

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Holley 36-168 - Holley Carburetor Numerical Listing Guide

Click here for more information about Holley 36-168 - Holley Carburetor Numerical Listing Guide

Book, "Holley Carburetor Numerical Listing", 87 Pages, Paperback, Each

Part Number: HLY-36-168

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SA Design SA216 - SA Design David Vizard's How to Super Tune and Modify Holley Carburetors

Click here for more information about SA Design SA216 - SA Design David Vizard's How to Super Tune and Modify Holley Carburetors

Book, Reference, "David Vizard's How to Super Tune and Modify Holley Carburetors", 144 Pages, Paperback, Each

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Haynes 10225 - Haynes Automotive Holley Carburetor Manual

Click here for more information about Haynes 10225 - Haynes Automotive Holley Carburetor Manual

Book, "Holley Carburetor Manual", Paperback, Each

Part Number: HYN-10225

Estimated Ship Date: 1/5/2015 (if ordered today)

$14.95

Most Helpful Reviews Review this Product

2 Customer Reviews for Holley 0-80805RD - Holley Aluminum Ultra XP Carburetors

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950

Summit RacingSummit Racing Verified Purchase

Not really a 950 more like a 830

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Reviewer: GARY from GA

Date: October 07, 2014

Appearance
Ease of Installation
Price/Value
Quality

950

Summit RacingSummit Racing Verified Purchase

Not really a 950 more like a 830

0 of 0 found this review helpful.

report abuse

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Reviewer: GARY from GA

Date: October 07, 2014

Appearance
Ease of Installation
Price/Value
Quality

Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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