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Holley's new Street Avengers are the first true performance carburetors that are designed, dyno tested, highway proven and calibrated especially for street performance. Check out the features, then install a Street Avenger 4-barrel, for awesome torque and acceleration, better throttle response, and unmatched top-end horsepower. These "No Trouble" Holley carbs are street-ready right out of the box.
| Adjustable vacuum secondaries. Tuneable from mild to wild. Quick change. Select the setting for street performance, high performance or fuel economy.|
| Adjustable electric choke for cleaner, smoother warm-ups. Factory calibrated, with range identified and restricted for easy on-vehicle adjustment. Has fitting for heat tube.|
| External float adjustment, with sight plugs. Easy on-vehicle adjustment. Range restricted for "No Trouble" enjoyment.|
| New Street Avenger fuel metering system. Precise dual-feed fuel metering for awesome low end torque, acceleration and top-end horsepower. Air and fuel idle tuneable for the ultimate in preformance. Close limit jetting. 100% wet flowed by skilled craftsmen.|
| Generation IV power valve, with million mile blowout protection.|
| Four vacuum ports, for PCV, vacuum advance, power brakes, and vacuum accessories.|
| Built-in secondary fuel filters. Sintered brass filters in primary and secondary fuel bowls, assuring cleaner operation.|
| Holley zinc castings are more stable, and less susceptible to performance changes due to heat built-up, compared to aluminum castings.|
| Lifetime limited warranty.|
|Holley Street Avengers are
specified for non-pollution controlled V-8 engines. These carburetors
come in four sizes, rated according to engine horsepower: Stock - 300HP,
300 - 400 HP, 400 - 500 HP and 500+ HP. The Ford A/T kickdown lever is
included. Each package contains an installation kit with base gasket,
fuel fittings, fuel line and clamps, air cleaner stud, electric choke
wire and secondary springs.
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