2" Open Phenolic Carburetor Spacer for Holley 4150 4160 4 Barrel Carb - Compatible with SBC BBC Small Block Big Block Chevy Engine

Upgrade your engine’s performance with this 2" Open Phenolic Carburetor Spacer, designed to reduce heat transfer and improve airflow between the carburetor and intake manifold. Constructed from high-quality phenolic resin, this spacer helps insulate the carburetor from engine heat, maintaining cooler fuel temperatures for enhanced combustion efficiency. The open plenum design optimizes airflow, which can improve throttle response and horsepower in high-RPM applications. Ideal for street performance, drag racing, or off-road builds, this spacer is compatible with most 4-barrel carburetors and fits standard square bore patterns. Whether you're dialing in your muscle car or fine-tuning your track build, this 2-inch phenolic spacer is a reliable upgrade for serious performance gains. 🔥 Heat Insulation Performance – Phenolic material minimizes heat transfer to keep fuel mixture cooler and more stable. 💨 Improved Airflow – 2" open plenum design increases air volume to the intake, enhancing top-end power and throttle response. ⚙️ Universal Fitment – Compatible with most 4-barrel square bore carburetors including Holley, Edelbrock, and more. 🔩 Easy Installation – Includes mounting hardware and gaskets for quick, hassle-free setup. 🏁 Ideal for Performance Builds – Perfect for street, strip, or custom applications where every bit of power matters.

• 4 barrel spacer, This versatile carburetor adapter fits Holley 4150/4160, Barry Grant, Carter, Edelbrock, and various engine types including Small/Big Block Chevy, Ford, and Chrysler Mopar, ensuring compatibility with a wide range of setups.
• 2 inch carb spacer, Engineered with an open design gasket, this carburetor spacer increases plenum volume to enhance high RPM power, making it ideal for professional mechanics and DIY enthusiasts seeking peak performance.
• 2 carb spacer, The 4-hole design of this carburetor adapter plate boosts mixture velocity, delivering improved low-end and mid-range torque for a more responsive and efficient engine performance.
• 4150 carb spacer, Perfect for those needing a spread bore to square bore adapter, this CC carburetor spacer is designed to optimize airflow and enhance the efficiency of your air cleaner and carburetor setup.
• Carb spacer phenolic, Crafted for durability and precision, this carburetor spacer ensures a perfect fit and optimal spread, providing a reliable solution for improving your engine's air intake and overall performance.