40mm CV Carburetor Adapter Flange For Harley-Davidson With 2 Bolt Manifold – California Motorcycles
Lincoln Electric CV ADAPTER - SAE-400/SAE-500 - K385-2 - Weldingmart.com
Carb Adapter, HRS-42 and OEM CV Carb To S&S Super E Manifold - Carb Spacers \ Adapters - Vulcanworks.net - American Made Parts for Harley Davidson Motorcycles