Moroso 64947 Moroso 4150/4160 Carburetor Spacer - Open Plenum - 1/2in - Phenolic

4500 Carburetor Spacer, Phenolic, 1/2" , Open Plenum Design

• Advanced phenolic compound, specially formulated to reduce heat conductivity 10 times greater than aluminum
• Reducing fuel temperature inside the carburetor results in a denser, more powerful fuel charge to the manifold
• Insulating phenolic spacers come pre-drilled for alignment pins
• Gaskets not included

*Not legal for sale or use on pollution-controlled vehicles