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Sierra Overhaul Gasket Kit for GM 305 & 350 5.0L/5.7L Marine Stern Drive Engines
Sierra Overhaul Gasket Kit for GM 305 & 350 5.0L/5.7L Marine Stern Drive Engines. Sierra Overhaul Gasket Kit for GM 305 & 350 5.0L/5.7L Marine Stern Drive Engines Sierra part number: 18-4386 For: GM 305 & 350 (5.0L & 5.7L) CID Eng; With Heads (1987 & Earlier) Please check the part numbers for your fitment needs. Thank you for shopping at our store!