Part Description
Manifold spacer
Text excerpt from the catalog:
Insulating spacer for all flange mounted carburetors with 2 1/2" center to center studs. Used as original equipment on all 1978-1989 Keihin and Bendix carbs. Spacer prevents heat transfer from cylinder and heads to the caburetor. Fits Big Twin and Sportster 1971-1989. Includes 2 gaskets (OEM 29250-78 & 27077-78).