Brezinski - Phenolic 4150/4160 Carb Spacer - 1" Thick

Brezinski – Phenolic 4150/4160 Carb Spacer – 1" Thick

This Brezinski phenolic carb spacer is designed to reduce heat transfer from the intake manifold to the carburetor, helping maintain cooler, more consistent fuel temperatures compared to traditional aluminum spacers. Ideal for maximizing throttle response and overall engine performance, this 1" thick spacer is a simple yet effective upgrade for Holley-style 4150/4160 carburetors.

Key Features:

• Phenolic Construction – Dissipates heat far better than aluminum, improving fuel density and consistency
• Fits 4150/4160 Holley-Style Carbs – Designed for the most common performance carburetor platforms
• 4-Hole Design – Enhances throttle signal and maintains strong low-end response
• 1" Thickness – Offers increased plenum volume and improved airflow characteristics
• 1.75" Bore Size – Proper sizing for performance carburetor applications
• Includes Studs – Ready for installation right out of the box