Holley 0-90670

Buyer guide Holley 0-90670 Model 4150 Truck Avenger 670 CFM Square Bore 4-Barrel Vacuum Secondary Electric Choke Carburetor. The fuel metering block eliminates fuel spillover through the boosters at extreme angles to allow for 40-degree climbing, Holley 0-90670 30-degree side hill maneuvers, and nose down descents without stalling or flooding The electric choke ensures great cold starting and is designed to prevent accidental over-adjustment while square fuel bowls with side hung floats provide precise fuel control It also includes 4 vacuum ports with PCV, spark, power brake, and vacuum accessories for easy installation and great off-road performance. Dual feed fuel inlet with adjustable vacuum secondary for fuel economy and acceleration Dichromate finish with 4 vacuum ports ... Learn more »

Holley 0-90670 Review: Holley 0-90670 Model 4150 Truck Avenger 670 CFM Square Bore 4-Barrel Vacuum Secondary Electric Choke Carburetor. This carb worked as advertised straight out of the box. It bolted in place and every thing fit perfectly. The only adjustment that was needed was to go down one step with the jets because of the altitude where I live (above 2000 ft.). I used to experience a drop in engine rpm's just going over a speed bumper. Now I can 4 by it over the roughest terrain without the engine even a skipping a beat. The carb is pricey but worth the peace ... Read more »

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