Mercruiser 470 488 3.7L 224 224ci Marine Camshaft Cam Valve Lifter Kit 8 Lifters

Cam and Lifter Kit for 3.7L 224 4 Cyl Mercruiser Marine engines. Stock Cam and Lifters. Replace oe # 4669410 From serial number #6916779, Does not fit engines that came with aluminum oil pump.   Includes required Bottle of ZDDP Zinc Additive and packet of Driven Assembly Grease. Specs: Valve Lift (INT/EXH): .497"/.502" ADV Duration (INT/EXH): 268°/292° Duration @ .050" (INT/EXH): 208°/220° Cam kits with Flat Tappets include a packet of Driven Assembly Grease for lubricating the cam lobe surfaces during assembly and a bottle of Engine Pro Hi-Zinc Engine Protector to add to the engine oil during break in.  It is critical to use High ZDDP/Zinc oil in every oil change on flat tappet engines.