High-Flow Carburetor Restrictor Inserts

Fine-tune your engine's air intake with the Wehrs Machine 2in Tall Carburetor Insert. Featuring a precision-machined 1.300in diameter bore, this insert is designed to optimize airflow and fuel atomization for competitive racing engines. As part of the renowned Wehrs Machine spacer system, this component allows racers to quickly adapt their carburetor setup to meet specific class rules or track conditions without replacing the entire spacer assembly.

Engineered for Performance

• Precision Bore: 1.300in diameter ensures consistent, repeatable performance.
• 2in Height: Provides the necessary plenum volume to improve torque and throttle response.
• Lightweight Aluminum: Durable construction that resists heat soak and maintains structural integrity.
• Modular System: Compatible with the Wehrs Machine spacer ecosystem for easy swaps.

This restrictor plate insert is a must-have for engine builders looking to dial in their carburetor's performance profile. By controlling the air velocity entering the manifold, you can achieve a more stable fuel mixture and improved power delivery across the RPM range. The natural finish aluminum is easy to inspect and maintain, ensuring your induction system remains in peak condition throughout the season. Experience the difference that precision engineering makes in your race car's performance. Find this and other essential tuning components at GGCRACING.