Speedmaster Aluminum 4150 to 4500 CNC Machined Carburetor Spacer with Burst Panel Check Valves PCE474.1002

The Speedmaster PCE474.1002 is a precision CNC-machined aluminum carburetor spacer engineered for 4150 to 4500 series carburetors. This spacer serves as a critical adapter between your carburetor and intake manifold, delivering improved fuel atomization and better engine breathing characteristics. The aluminum construction provides lightweight durability while maintaining the exacting tolerances required for carburetor applications.

The integrated burst panel check valves add an important safety and performance dimension, preventing reverse fuel flow and protecting the fuel system under pressure spikes. Whether you're building a street engine, off-road rig, or performance cruiser, this precision spacer maintains fuel delivery integrity while optimizing the carburetor-to-manifold interface. Ideal for engine builders, hot rodders, and enthusiasts seeking quality fuel system components that deliver both reliability and measurable performance gains.

Key Features & Benefits

• CNC Machined Aluminum: Precision-engineered aluminum construction ensures tight tolerances and durability for carburetor applications.
• 4150 to 4500 Compatible: Designed to fit both 4150 and 4500 series carburetors with proper indexing and sealing.
• Integrated Check Valves: Built-in burst panel check valves prevent reverse fuel flow and system pressure damage.
• Lightweight Design: Aluminum construction reduces weight compared to cast iron alternatives.

Specifications

Ideal Applications

• High-performance street engine fuel delivery optimization
• Hot rod and custom engine carburetor installation
• Off-road vehicle fuel system upgrades
• Performance cruiser engine building and tuning