Genuine Holley Brawler 670 Street Avenger 4150 Carburrettor Elec Choke

Genuine Holley Brawler 670 CFM Street Avenger 4150 Carburetor with Electric Choke — a diecast performance carburetor built for real street duty, delivering raw, dependable power without the premium box price.

Crafted in the USA, these Brawler carburetors are machined and assembled by skilled craftsmen to withstand daily driving and weekend thrill rides alike. The 670 CFM model uses a vacuum secondary to provide smooth, progressive throttle response, making it a versatile upgrade for street engines that demand both performance and drivability.

• 670 CFM for responsive mid-range power
• Vacuum secondary for smooth, controllable power delivery
• Electric choke for easy cold starts in cooler climates
• Twin metering blocks for precise air/fuel calibration
• Adjustable secondary spring to tailor acceleration characteristics
• Diecast aluminum construction keeps weight down without sacrificing strength
• Dual inlet fuel bowls with sight glass windows for quick, safe float adjustments
• Latest air/fuel calibration technology to meet today’s street engine demands
• Part of the Brawler family, available in 570–770 CFM options and in both vacuum and mechanical secondary configurations

Whether you’re upgrading a daily driver or building a street machine, this 670 CFM Holley Brawler combines tunability, reliable starting, and a confident throttle response that outshines budget alternatives — all backed by USA-made craftsmanship and Holley’s performance heritage.