Allstar Performance Drag Race Carburetor Spacer — Open Style, 0.5 in | ALL25980 1990-gmc-k1500-esi2701606 6-35004 Kenworth Airglide space 1/4"

6-35004 Kenworth Airglide space 1/4"

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Allstar Performance Drag Race Carburetor Spacer — Open Style, 0.5 in | ALL25980 1990-gmc-k1500-esi2701606 6-35004 Kenworth Airglide space 1/4"This is a drag race only carburetor spacer, 0. 5 inch thick, molded from gray plastic in an open (no divider) plenum style for high flow. Spec Sheet: Allstar Spec Sheet Compatibility Built for 4150 style square bore carburetors. This is not compatible with 4500 Dominator flange carburetors. Labeled by the manufacturer for drag race use only. FAQ What carburetor flange does this spacer fit? It fits 4150 style square bore carburetors. It is not