Description
A quality carburetor spacer is essential for optimizing fuel distribution, reducing heat transfer to the intake manifold, and maintaining consistent air-fuel ratios under sustained performance conditions. The Moroso Phenolic 1in 4 Hole spacer delivers thermal isolation and precise fitment without the weight penalty of aluminum alternatives, making it an ideal choice for street and strip applications where reliability matters.
Phenolic material provides superior insulation properties compared to metal spacers, helping keep incoming charge air cooler and reducing the risk of vapor lock in high-heat environments. This straightforward bolt-on upgrade requires no fabrication and integrates seamlessly into any square-bore carburetor setup.
- Material: Phenolic plastic
- Thickness: 1 inch
- Bore type: Square
- Bolt holes: 4
- Installation: Bolt-on
- Quantity: Single spacer
- Manufacturer: Moroso
- MPN: 64930






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