; Advanced plastic 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; Includes all mounting hardware; Gaskets not included*Not legal for sale or use on pollution-controlled vehicles

• Plastic construction reduces heat conductivity 10x more than aluminum
• Reducing fuel temp in carb makes a denser fuel charge to manifold
• Pre-drilled Spacers
• Gasket excluded
• For 1450/4160 Carb
• 4-hole plenum
• 1.75dia bores
• 1 thick.

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Information:

Carburetor Spacer; Insulating Plastic and Phenolic; Advanced plastic and phenolic compounds are 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 (Moroso PN: 64930 and 64940 include all mounting hardware); Gasket are not included; For 4150/4160 Carburetor; 1 thick; 4-hole plenum design; 1.75 diameter bores; Plastic.