Moroso 64945 Phenolic Insulating Carb Spacer for Holley 390
Universal Fit, 0.5" Overall Thickness, 4-Hole Carburetor Spacer Style
Phenolic material is a type of plastic resin which has excellent insulating properties, so it will keep the fuel in your 4 barrel Holley 4150/4160 cooler for more power. For 390 CFM carbs with 1.467" diameter bores.
- Specially formulated material reduces heat conductivity 10 times greater than aluminum
- Reduces fuel temperature inside the carburetor
- Denser, more powerful fuel charge to the manifold
- 4 hole plenum design
- 1/2" height
- Gaskets not included
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
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