Add to Cart Compare Honda CB400 Carburetor Kit | Mikuni VM30 Carburetor Kit MSRP: Now: $399.95 Was: Complete carburetor kit for your CB400 twin. 1978 to 1986 Model CB400 twin Honda . Genuine VM30 Mikuni carburetors. We will need some info on your bike after the purchase Please Note in Order Comments the following. - Year... MSRP: Now: $399.95 Was: Add to Cart Compare Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $399.95 Was: Subtotal: Add to Cart