Moroso 1/2" Billet Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - Open Plenum Design HASZ19LT 90 Degree Fitting

90 Degree Fitting

620 in Bore

Sold in weight-ma

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P/N 12-920

Moroso 1/2" Billet Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - Open Plenum Design HASZ19LT 90 Degree FittingExtends 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