Product Description
4500 Carburetor Spacer, Billet 1" Thick, 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
4500 Series Holley® bolt pattern
4500 Series (Dominator) Spacer is 1" thick with open plenum
Open designs increase plenum volume for improved high rpm power