melling: .250 Inch Seamless Double Roller Timing Chain; 1 Bolt Cast Iron Camshaft Sprocket; 3 Keyway Adjustable Crankshaft Sprocket
sa gear: Single Bolt Cam, Billet Steel Cam Sprocket, 9 Keyway Crank Gear for multiple Cam Adjustments, Large .250 Diameter Seamless Double Roller Chain
thanks