OEM style 2-bolt type. Replacement OEM style manifold to carburetor spacer / insulator block. Fits two-bolt flange type carbs like Keihin and Bendix. 7/16" (approx. 17.8mm) thick and 2-3/4" (approx. 70mm) center to center mounting holes. OEM replacement reference 29250-78A.
Fits: > 76-84 FL; 76-86 FX; 80-89 FLT, FXR (NU)