570cfm 4 Barrel Street Avenger Carburettor with Vacuum Secondaries

Upgrade Your Street Ride with the Aeroflow 570 CFM Street Avenger 4-Barrel Carburettor with Vacuum Secondaries

Upgrade your engine with a modern, dependable carburettor that bridges classic street performance and contemporary tunability. The Aeroflow 570 CFM Street Avenger delivers precise control, a responsive throttle, and reliable starting—perfect for refreshing aging stock units and restoring confident everyday drivability.

Key features

• 570 CFM four-barrel carburettor with vacuum secondaries for strong part-throttle response and smooth transitions from idle to higher RPMs
• Square bore 4150 flange ensures a precise, seamless fit to compatible intake manifolds
• Electric choke for quick, dependable cold starts and smooth transitions from idle
• Silver finish combines durability with a clean, timeless appearance in any engine bay
• Lightweight diecast aluminium construction for solid performance without excess weight
• Four-corner idle adjustment on vacuum secondary carburettors for finely-tuned idle quality
• Dual inlet fuel bowls with sight glass windows for safe, easy float adjustments
• Bolt-on installation and run-performance right out of the box with easy tuneability for a smooth throttle response across the power band
• Available in sizes from 570 CFM up to 850 CFM to match your engine needs and drivability goals
• Designed for street use, balancing performance, drivability and reliability

Why this is the right upgrade for your rebuild or refresh

The vacuum secondary setup provides strong part-throttle response while maintaining efficient fuel delivery at higher RPMs, making it a practical upgrade for refresh projects or rebuilds that demand consistent, tunable power without the complexity of high-end race units.

Fitment and installation

Square bore 4150 flange ensures a precise, seamless fit to compatible intake manifolds. Bolt-on installation means you can achieve run-performance straight out of the box with straightforward tuning for a smooth throttle feel across the entire power band.