Ford Performance M-6268-A390 390/427/428 Double Roller Timing Chain Set

390/427/428 Double Roller Timing Chain Set Ford Racing's timing-chain sets are available for a variety of the company's performance engines. They include rugged, double-row roller chains for excellent performance and reliability. They also feature crank sprockets with nine keyways, which give you nine choices for cam timing--stock, plus four each advanced and retarded settings. Most sprockets are cast iron Full Roller Timing Chain 9 Position Multi Index Crank Sprocket