Allstar Performance Drag Race Carburetor Spacer — Open Style, 0.5 in | ALL25980 1990-gmc-k1500-esi2701606 It stands 2-1/2 in tall

It stands 2-1/2 in tall

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Allstar Performance Drag Race Carburetor Spacer — Open Style, 0.5 in | ALL25980 1990-gmc-k1500-esi2701606 It stands 2-1/2 in tallThis 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