Moroso 1" Billet Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - Open Plenum Design R03P003XXXL The Griffin product line reflects

The Griffin product line reflects an understanding that cooling demands differ and one size does not fit all

Lightweight Aluminum Alloy Cam Buckle with Wide Engagement Cone For Easy Snap In and Precise Spring Pressure for a Positive Feel

9/16-24 Thread

AN fittings that fit LS1 profile injectors

50 State Legal / California Emissions Compliant

Moroso 1" Billet Carburetor Spacer - Fits Holley 4150/4160 Bolt Pattern - Open Plenum Design R03P003XXXL The Griffin product line reflectsExtends 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(R) 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