HOLLEY
770 CFM HOLLEY OFF-ROAD TRUCK AVENGER CARBURETOR
Electric Choke, Off-Road Vacuum Secondaries-4150
Part # 0-90770
The Off-Road Truck Avenger is designed specifically for off-road applications. The unique fuel metering block eliminates fuel spillover through the boosters at extreme angles allowing for 40 degree climbing, 30 degree side hill maneuvers and nose-down descents to avoid hesitations, stalling and flooding typically associated with carbs in an off-road environment. The Truck Avenger features a quick change vacuum secondary for easy fine tuning; four vacuum ports for all necessary vacuum accessories; factory preset electric choke for easy start ups; and a built-in fuel filter. The 770 CFM Off-Road Truck Avenger is the perfect carburetor for big block engines.
Features:
- Gold Dichromate finish for extreme off road environments
- Single feed fuel inlet for ease of installation
- Optimized off-road calibration that works out-of-the-box
- Factory preset electric choke for easy startups
- Vacuum secondaries allow use on a wide variety of vehicles. Quick Change vacuum housing cap allows you to tune for performance or fuel economy (springs included)
- Compatible with GM, Chrysler, and Ford A/T kickdown linkage. Additional parts may be required.
- One piece off-road vent tube eliminates fuel spillover during extreme maneuvers
- Intended for off-road/off-angle use. Unique metering block designed for flood free operation up to 40º while climbing and 30º during side hill maneuvers & “nose down” decents
- Limited lifetime warranty – Guaranteed to be free from defects in material and workmanship for the life of the product!
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run!
| Barrels | 4 |
|---|---|
| Booster | Annular / Straight |
| Brand | Holley |
| Carburetor Use | Off-Road |
| CFM | 770 |
| Choke | Electric |
| Condition | New |
| Emission Code | 3 |
| Finish | Gold Dichromate |
| Fuel | Gasoline |
| Fuel Inlet | Single |
| Marine Use | No |
| Material | Aluminum |
| Model | 4150 |
| Primary Main Jet | 74 |
| Primary Power Valve | 2.5 |
| Primary Pump Nozzle Size | 35 |
| Product Type | Carburetor |
| Secondaries | Vacuum |
| Secondary Main Jet | 99 |
| Supercharged Application | No |
| Throttle Bore | 1.688 inch |
| Vacuum Ports | 1 timed (spark) port, 2 full, and 1 PCV port |
| Warranty | Limited Lifetime Warranty |
| UPC | 090127589786 |
| Part Number | 0-90770 |
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