Sierra Remanufactured CarburetorsSierra Carburetors are precision remanufactured to meet or exceed OEM specifications. Sierra Carburetors have been re-calibrated and re-engineered to maximize fuel efficiency and performance. All carburetors are flow tested throughout the entire throttle range. Fuel mixture and idle settings are pre-set to ensure that only minor idle and choke adjustments are necessary during installation. All bases are resurfaced, and throttle shaft bushings are replaced. Base gasket is included.• Sierra Part 18-7616-1• 4 Barrel• RochesterReplaces:• Mercruiser 1347-8288A1• Mercruiser 1347-804626R02• Rochester 1708563• Rochester 17057287• Rochester 17059287• Rochester 17059290• Rochester 17080560 4 Barrel Rochester Meets or exceeds OEM specs Base gasket included | Remanufactured Carburetor Rochester/Mercruiser, Part 18-7616-1