This is a New Mercury MerCruiser 4.3L Vortec Engine Camshaft. 
* Part # : 431-824327 / 461-803186
* Description : Marine 4.3L VORTEC Hydraulic Roller Camshaft Replaces Mercruiser # 461-803186 and 461-824327.
* Specs : (AS Advertised) 

Duration : 272/294             Valve Lift : .430 INT / .436 EXH (with roller rocker arms)Camshaft Lift : .269 INT / .273 EXH

* Information : New Overstock Surplus, item not in original packaging  
* Fitment : fits 0F001220 and Newer Mercruiser, Volvo Penta, Marine Power, Indmar, GM Marine Engines

*FREE SHIPPING does NOT Include Alaska , Hawaii, and or US Protectorates, American Samoa, Guam, Mariana Islands, Marshall Islands, Micronesia, Palau, Puerto Rico, U.S. Virgin Islands**