HOLLEY Pro Series - 750CFM 4-BBL
carburetors feature newly designed main bodies with specially contoured venturi
entry angles and symetrical venturi bores. Booster venturi is a down-leg,
double step design that provides a
considerable stronger vacuum signal.
Performance calibrated and race ready with high-flow metering blocks and
needle
& seat assemblies. Available for either gas or alcohol.
4 Barrel Carburetors
|
Part # |
Description |
Racer |
| HOL-0-80528 | Gas - 750 CFM | $ 699.95 |
| HOL-37-1546 | Rebuild Kit (Hol-0-80528) | $ 34.95 |
| HOL-0-80535 | Alcohol - 750 CFM | $ 749.95 |
| HOL-37-1539 | Rebuild Kit (Hol-0-80535) | $ 92.95 |
High flow needle & seat - Center pivot float bowls - 30CC Primary Accel. Pump
4 BBL - 750 CFM
50CC Accel. Pump - High flow metering blocks - High capacity boosters
2-BBL - 500 CFM
| Part # |
Description |
Racer |
| HOL-0-9645 | ALCOHOL - 750 CFM | $ 499.95 |
| HOL-0-4779 | GAS - 750 CFM | $ 459.95 |
| HOL-37-485 | Rebuild Kit (HOL-0-4779) | $ 34.95 |
| HOL-0-4412 | GAS - 500 CFM | $ 279.95 |
| HOL-37-474 | Rebuild Kit (HOL-0-4412) | $ 24.95 |
Allows carburetor to be adjusted fore and aft for the maximum horsepower.
Part # BG-110016 Racer $ 59.95
Part # BG-110015 Racer $ 59.95
1" Thick Aluminum
Part # MRG-2084 Racer $ 23.95
| Part # | Description | Racer |
| 80561 | Aluminum Cover with Sure Seal O-ring | $ 19.95 |
| 80564 | Plastic Cover with Sure Seal O-ring | $ 9.95 |
| 80565 | Aluminum Cover without Sure Seal O-ring | $ 9.95 |
The carburetor seat size determines the amount of fuel that
flows at a certain pressure. A bigger seat size will flow more fuel,
and a
smaller seat size flows less fuel at a given pressure. Available for GAS
or ALCOHOL.
| Part # |
Seat Size |
Description |
Racer |
| HOL-6-504 | .110 | GAS - 2 BBL "Viton" Needle & Seat | $ 10.00 |
| BG-120005 | .150 | ALCOHOL - "Steel" Needle & Seat | $ 19.00 |
The proper power valve is crucial in tuning a carburetor. Periodically replace the power valve to prevent leakage.
| Part # |
Description |
Racer |
| HOL-125-35 | 3.5 - Power Valve | $ 9.00 |
| HOL-125-45 | 4.5 - Power Valve | |
|
HOL-125-50 |
5.0 - Power Valve | |
| HOL-125-55 | 5.5 - Power Valve | |
| HOL-125-65 | 6.5 - Power Valve | |
| HOL-125-75 | 7.5 - Power Valve |
Gas or Alcohol carburetors.
| Part # |
Description |
Racer |
| HOL-135-5 | 30cc - Diaphragm | $ 8.00 |
| HOL-135-7 | 50cc - Diaphragm | $ 14.00 |
Completely plugs the power valve circuitry. Includes gasket.
Part # BG-240200 Racer $ 5.00
| When plugging a power valve, increase jetting on the metering block by 8 - 10 sizes to compensate for the change in fuel flow. |
Store your extra carburetor in this plastic tote. Keeps dust from getting inside your carburetor.
Part # HOW-8610 Racer $ 29.95
For more information, or to place an order, please call 1-800-722-2845.
