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- Aluminum Truck Avenger 4-bbl Carb
- 670 CFM
- Manual Choke
Holley's Truck Avenger series carburetors have just been taken to the next level. Truck Avenger carburetors are known to go off-roading right out of the box, so what could be better than a Holley Truck Avenger carburetor? How about one in aluminum? They save weight and look great. The Aluminum Truck avenger features a chromate finish to protect against the grueling environments encountered by an off-road vehicle.
The Aluminum 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 Aluminum Truck Avenger carburetors have the same great features as their zinc counterparts such as a quick change vacuum secondary for easy fine tuning; four vacuum ports for all necessary vacuum accessories; manual choke for precise cold start control; and a built-in fuel filter.
The 670 CFM Aluminum Truck Avenger is the perfect carburetor for small blocks or stock big block engines.
Features: - Aluminum Construction for added weight savings
- 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
- Manual choke (Cable driven, hand operated) for precise cold start control
- 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)
- Ford A/T kick down
- 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 40° while climbing and 30° during side hill maneuvers & 'nose down' descents
- 100% wet-flow tested by Holley technicians to assure it arrives ready to run!Specs:
- Model: 4150
- CFM: 670
- Barrels: 4
- Booster: Annular / Straight
- Throttle Bore: 1.688 inch
- Secondaries: Vacuum
- Vacuum Ports: 1 timed (spark) port, 2 full, and 1 PCV port
- Choke: Manual
- Finish: Gold Dichromate
- Fuel: Gasoline
- Fuel Inlet: Single
- Material: Aluminum
- Supercharged Application: No
- Emission Code: 3



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