Chev 305 5.0L Vortec New Marine Long Engine Mercruiser Volvo Penta # 5144NMSRChev 305 5. 0L Vortec New Marine Long Engine Mercruiser Volvo Penta # 5144NMSR This is a brand new 5. 0L 305 c. i. Vortec Marine Base Engine. This engine will replace those 5. 0L marine engines used in Mercruiser, Volvo Penta, OMC, Crusader, Indmar and other applications between the years 1997 present. This is a perfect stock replacement for those engines that have suffered from a cracked block due to improper winterization or another type of engine