Moroso Carburetor Spacer, Billet 1/2" Thick, 4150/4160 Open Plenum Design

• Extends length of intake mixture column to improve air/fuel distribution
• CNC machined from 6061-T6 billet aluminum to extremely accurate specifications
• Billet aluminum eliminates porosity and improves engine appearance
• 4150/4160 Series Holley® bolt patterns to fit a variety of carburetors
• 4150/4160 Series Spacers 1/2" thicknesses with open plenum design
• Open designs increase plenum volume for improved high rpm power

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