Cast Aluminium 4 Barrel 1000cfm Throttle Body Black Finish. Suit 4150 Flange

Cast Aluminium 4-Barrel 1000 CFM Throttle Body – Black Finish (4150 Flange)

Upgrade your fuel-injection setup with a robust, cast aluminium 4-barrel throttle body from Aeroflow Performance. Designed to pair with 4150-pattern manifolds, this unit delivers a clean, performance-ready look and reliable operation at a more affordable price than billet alternatives.

• 1000 CFM airflow capacity for strong, consistent throttle response across the RPM range
• 44.45 mm (1-3/4") bore with a precision radius profile to maximize air delivery while minimizing turbulence
• Die-cast aluminium with a black finish for durability and a streamlined engine bay appearance
• Center air filter stud threaded at 6.3 mm (1/4") for secure mounting
• Accepts a standard air cleaner with a 5-1/8" flange for versatile filtration options
• Intelligent sensors and connectivity, including GM-style idle air control (IAC) motor, GM-style throttle position sensor (TPS), and GM LS3-style MAP sensor integrated
• Vacuum and port versatility with ports: 2 × 3/8", 2 × 1/4", 2 × 3/16" for flexible EFI routing and emissions-friendly setups
• Designed to suit 4150 flange patterns and standard 4150-style square-bore manifolds; a ready-to-run upgrade for many 4-barrel EFI and carb-to-FI conversions

Built for performance-oriented street and strip builds, this throttle body delivers precise throttle mapping and dependable idle control without the extra cost of billet alternatives. A practical, high-performance upgrade that fits seamlessly into existing 4150-pattern intake systems.