Holley 4150 870CFM Aluminum Street Avenger - EC

If you're looking for a carburetor that offers reliable, bolt-on performance, look no further than Holley's Street Avenger line. These carburetors are designed with a range of fantastic features to make your life easier and your rides more enjoyable. With a quick-change vacuum secondary, fine-tuning is a breeze. The optimized street calibrations ensure you get the best performance right out of the box. And with four vacuum ports available, hooking up all your vacuum accessories is simple. Plus, the factory preset electric choke guarantees easy startups every time. To top it off, a built-in fuel filter and a complete fuel line kit mean you won’t have to make multiple trips to the parts store just to get your hot rod back on the road!

What sets these carburetors apart is their impressive weight savings of 36%, thanks to their aluminum construction. Not only does this make them lighter, but it also helps them maintain their shine for longer! Street Avengers are ready to hit the road straight out of the box, and with these improvements, they’re better than ever. Reducing weight optimizes every aspect of your vehicle's performance, including acceleration, braking, and handling. And what better place to start than at the top of your engine?

Important Downloads:

• Instructions for Part# 0-83870
• Carburetor Numerical Listing for Part #0-83870

Features:

• Constructed from aluminum for maximum weight savings and a long-lasting shine
• Optimized street calibration that works right out of the box
• Factory preset electric choke for hassle-free startups, or go for the manual choke for precise cold start control
• Vacuum secondaries make it compatible with a wide range of vehicles. The quick-change vacuum housing cap lets you tune for performance or fuel economy (springs included)
• Compatible with GM, Chrysler, and Ford A/T kickdown linkage; some additional parts may be needed
• Includes a fuel line kit, saving you from unnecessary trips to the parts store
• Limited lifetime warranty - guaranteed to be free from defects in material and workmanship for the life of the product!
• 100% wet-flow tested by Holley technicians to ensure it arrives ready to run!
• 36% weight savings

Specifications:

• Barrels: 4
• Booster: Straight
• CFM: 870
• Choke: Electric
• Emission Code: 3
• Finish: Shiny
• Fuel: Gasoline
• Fuel Inlet: Dual
• Material: Aluminum
• Model: 4150
• Primary Main Jet: 78
• Primary Power Valve: 4.5
• Primary Pump Nozzle Size: 42
• Product Type: 4150 Model Carburetor
• Secondaries: Vacuum
• Secondary Main Jet: 82
• Supercharged Application: No
• Throttle Bore: 1.750 inch
• Vacuum Ports: 1 timed (spark) port, 2 full, and 1 PCV port
• Warranty: Limited 1 Year Warranty

Notes:

• This carburetor features a square bore flange bolt pattern, making it a perfect replacement for Holley, Edelbrock, Carter AFB, and Autolite style carburetors with a 5 3/16" x 5 5/8" bolt pattern. If you have a spreadbore style intake manifold, you will need an adapter to install this carburetor, similar to the Mr. Gasket #1932.