Description
Description
Off-Road Truck Avenger Carburetor; 4 bbl.; 670 cfm; Model 4150; Vacuum Secondary; Electric Choke; Gasoline; Single Fuel Inlet; 1.563 in. Throttle Bore; Gold Dichromate Finish;
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 670 CFM Off-Road Truck Avenger is the perfect carburetor for small blocks or stock big block engines.
Features & Benefits
- Gold Dichromate Finish For Extreme Off Road Environments
- Arrives Ready To Run
- 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
- Quick Change Vacuum Housing Cap To Tune For Performance/Fuel Econ
- One Piece Off-Road Vent Tube Eliminates Fuel Spillover
- Metering Block For Flood Free Op. 40 deg. Climb/30 deg. Side Hill
- Limited Lifetime Warranty Defects In Material/Workmanship
- 100% Wet Flow Tested By Holley Technicians
| Booster Type: | Annular / Straight |
|---|---|
| Material: | Zinc |
| Part Type: | Carburetor |
| Barrel: | Four |
| CFM: | 670 |
| Flange: | Square Bore |
| Fuel Type: | Gasoline |
| Primary Power Valve: | 6.5 |
| Secondary Type: | Vacuum |
| Throttle Bore: | 1.563 in. |
| Usage: | Street/Strip |
| Carburetor Type: | 4150 |
| Choke: | Electric |
| Emission: | Without EGR |
| Finish: | Dichromate Gold |
| Fuel Inlet: | Single |
| Primary Main Jet: | 68 |
| Secondary Main Jet: | 89 |
| Supercharged Application: | No |
| Type: | Automotive |
| Vacuum Port Quantity: | 1 timed (spark); 2 full; 1 PCV |





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