The Proform 67155 Carburetor Throttle Base Plate is a high-performance replacement base plate designed for enhanced throttle response and reliability in Holley 4150-style carburetors. Manufactured with precision engineering, this throttle base plate improves airflow and fuel mixture control, ensuring optimal performance for high-powered engines. Constructed from durable aluminum, this base plate is built to handle the demands of high RPMs, making it ideal for street and track applications.

Technical Specifications

• Material: High-strength aluminum for durability and lightweight performance
• Compatibility: Fits Holley 4150-style carburetors
• Throttle Shaft: Precision-machined with Teflon-coated shaft for smooth operation
• Bore Diameter: Standard 1-11/16” bores for increased airflow and engine efficiency
• Throttle Plates: Precision alignment ensures consistent throttle response
• Finish: Black anodized for corrosion resistance and enhanced durability

Performance Benefits

• Improved Throttle Response: Precision machining and Teflon-coated shaft deliver smooth, fast throttle response for improved engine performance.
• Enhanced Airflow: 1-11/16" bores increase airflow for more efficient combustion, translating to better horsepower and torque.
• Durable Construction: Aluminum construction with an anodized finish withstands high engine temperatures and ensures long-lasting performance in extreme conditions.

Maintenance

To keep the Proform 67155 Carburetor Throttle Base Plate in optimal working condition:

• Regular Cleaning: Clean the base plate periodically to prevent buildup of dirt or carbon deposits that can affect airflow.
• Inspection: Check throttle plates, screws, and shaft for wear and secure positioning. Lubricate the shaft lightly to maintain smooth movement.
• Throttle Adjustment: If throttle response feels sluggish, adjust the throttle plates to ensure proper alignment and full closure.

Compatibility

• Carburetor Fitment: Specifically designed for Holley 4150-style carburetors. Ensure compatibility with your engine model before installation.