Moroso 1" Billet Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - 4-Hole Plenum Design w/ 1.696" Diameter Bores 916290 Two swinging trap doors and

Two swinging trap doors and a built-in baffle provide consistent oil control

Impala 1985-1975

quad logo embossed tips

FSR Racing Products has been supplying high performance all aluminum radiators to the racing community for many years

Moroso 1" Billet Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - 4-Hole Plenum Design w/ 1.696" Diameter Bores 916290 Two swinging trap doors andExtends 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