Gold Dichromate finish for corrosion resistance, Optimized race calibration, Contoured venturri inlet offers balanced airflow for increased horsepower, Screw in air bleeds for precision tuning capabilities, Dual 30cc accelerator pumps for additional fuel under initial acceleration
Holley 0-80541-2 650 CFM Classic HP Carburetor, Mech Secondary Holley
Holley 0-80541-2 650 CFM Classic HP Carburetor, Mech Secondary
Sku # 425805412
Mfr. Part # 0-80541-2
Condition
New
Brand
Holley
Sold
Each
Details
Info

Holley HP™ carburetors have been the standard in racing carburetors for nearly two decades. Powering the biggest names in NASCAR to the Saturday night racer, HP carburetors are the perfect choice for all types of motorsports. Classic HP carburetors are available from 390 to 1000 CFM and feature a contoured venturii inlet for balanced air flow, screw in air bleeds for precision tuning capabilities, high flow metering blocks and Dominator style fuel bowls which allow pluming from either side for ease of installation. Holley HP carburetors are the standard for square bore race carburetors. Race-Ready out of the box!

Features:

  • Gold Dichromate finish for corrosion resistance
  • Optimized race calibration
  • Contoured venturri inlet offers balanced airflow for increased horsepower
  • Screw in air bleeds for precision tuning capabilities
  • Dual 30cc accelerator pumps for additional fuel under initial acceleration
  • Dual feed fuel inlets for constant high volume fuel delivery
  • 4 corner idle allows you to precisely control your idle system
  • Progressive Secondaries for perfect off the line launches
  • Stainless steel throttle plates
  • Includes notched float and jet extensions
  • Calibrated for gasoline
  • 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
Charts

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(PDF)

Installation Tips

This model of carburetor has the square bore flange bolt pattern. It can replace Holley, Edelbrock, Carter AFB, and Autolite style carburetors with 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor. Similar to the

Specs
Material Type
Aluminum
Sold in Quantity
Each
Fuel Type
Gasoline
Color
Gold
Carburetor Barrels
4-Barrel
Secondary Type
Mechanical
Fuel Inlet Type
Dual
Choke Type
No Choke
CFM
650 CFM
Carburetor Flange Type
4-Barrel Square Bore
New or Remanufactured
New
Throttle Linkage Type
Universal
Emission Code
3
Number of Circuits
2
Supercharged Application
No
Booster
straight
Throttle Bore
1.688 inch
Finish
Dichromate
CFM Range
600-699 CFM
Venturi Diameter
1.250 Inch
Primary Main Jet
70
Primary Power Valve
6.5
Primary Pump Nozzle Size
28
MFG. Part #
0-80541-2
GTIN Code
090127098875
Secondary Main Jet
70
Tech Support
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 72 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.