ALCOHOL / E85. They combine many possible add-on features and incorporated them into each kit to give you long and improved performance from your Holley. CARBURETOR REBUILD KIT. Dual pump model 4150 carburetor, such as 4776, 4777, 4778, 4779, 4780, 4781, 4781, 8156, 8162, 9379, 9380, 80528.
