GM 378450 MerCruiser 938-7482 Cylinder Head V8 305 5.0L Early 228 1977-1979 Valve Covers 1986 1987 1988 1989 1990

1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

324362 / 0324362 Shift Lever

0982511 908059

996-6187A4 ---- Generally Found on all "470" models 1976-1989 (Specifically 1976-1984 but I don't think there were any major changes and all of the part numbers supersede)

GM 378450 MerCruiser 938-7482 Cylinder Head V8 305 5.0L Early 228 1977-1979 Valve Covers 1986 1987 1988 1989 1990Parts Included MerCruiser 938 6536 > 938 7482 GM Part Number 378450 Compatibility Generally the best practice is to just match your existing casting numbers. Found on MerCruiser OMC GM Chevy V8 305cid 5. 0L 4BBL Models > 228hp & 230hp with 4BBL Intake Models 1977 1979 at the latest as this is an early version of the 378450 (there was a later version with larger valves) Used with the standard 2 piece Rear Main Seal engines. Perimeter Bolt Valve Covers