Description
1 inch spread-bore carb spacer sand cast aluminum suits Holley spreadbore & Rochester 4 barrel carburetors, we have other carb spacers in our online speed shop for 2 barrel and 4 barrel squarebore carburetors. Note This spacer can not be used with 450 Spreadbore Holley Econo style carburettors with the 4 butterflys the same size.