Description

; 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 thicknesses with open plenum; Open designs increase plenum volume for improved high rpm power*Not legal for sale or use on pollution-controlled vehicles

• Extends length of intake mixture column
• Improves air/fuel distribution
• Billet aluminum stops porosity
• Holley bolt patterns available
• Open Plenum increases plenum vol. for high rpm power
• Gaskets excluded
• For 4150/4160 Carb
• 1/2 thick.