Moroso 1" Billet Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - 4-Hole Plenum Design w/ 1.696" Diameter Bores 42020KS or the 558-443 USB to

or the 558-443 USB to CAN communication cable

1992-1992 Oldsmobile Custom Cruiser

Turbo Shield

each stud is centerless ground to make it as close to perfectly concentric as possible

Moroso 1" Billet Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - 4-Hole Plenum Design w/ 1.696" Diameter Bores 42020KS or the 558-443 USB toExtends 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 Available with 4150 4160 and 4500 Series Holley bolt patterns to fit a variety of carburetors 4150 4160 Series Spacers available in 1 2", 1" and 2" thicknesses with open plenum and 4 hole designs to suit tuning requirements; 4500 Series