Holley Aluminum Street Avenger Carburettor CFM 870 Square Bore Tumble 0-83870

Holley aluminum Street Avenger 4-barrel carbs give you trouble-free performance in a good-looking, easy-to-install package. The attractive aluminum finish not only gives a long lasting shine but also offers weight savings as well. They're calibrated to give you the performance you need, without the tuning headaches involved with other carbs. Features include a tunable metering system, fuel filters in the primary and secondary fuel bowls, center-hung floats, external float adjustment, choice of electric or manual choke, emissions accessory ports, adjustable secondaries, a power-valve saver, dual-feed conversion fuel line, and more. Street Avenger Carburetors also feature a four corner idle system that allows for superior idle control by utilizing primary and secondary idle adjustments, increased idle control on engines with higher performance cam shafts, and vastly improves throttle response. All of this comes with a polished finish that looks as good as it performs! They're available in many different sizes for a variety of engines.