05-19-2016, 07:12 PM
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LS1 Cylinder Head info
04-03-2004, 02:39 PM
#1
LS1 Cylinder Head info THese are the common LS1 heads and their volumes (as well as GM PNs). The casting number is the last 3 digits of the GM PN. So for instance the popular 317 heads are GM 12562317. If been seeing a lot of heads offered lately with casting numbers of 306, 862 and 908. Does anyone have any information about those castings?
Application GMPartNumber Combustion Chamber Volume (cc) Intake Port Volume (cc) Exhaust Port Volume (cc)
1997~1998 LS1 12559853 66.67 200 70
1999~2003 LS1 12564241 66.67 200 70
2001~2003 LS6 12564243 64.45 210 75
1999+ L59, LR4, 12559852/
LM4/LM7 12561706 61.15 200 70
1999~2000 LQ4 (Iron) 12561873 71.06 210 75
2001~2003 LQ4 (Alum) 12562317 71.06 210 75
2002~2003 LQ9 12572035 71.06 210 75
Application GMPartNumber Combustion Chamber Volume (cc) Intake Port Volume (cc) Exhaust Port Volume (cc)
1997~1998 LS1 12559853 66.67 200 70
1999~2003 LS1 12564241 66.67 200 70
2001~2003 LS6 12564243 64.45 210 75
1999+ L59, LR4, 12559852/
LM4/LM7 12561706 61.15 200 70
1999~2000 LQ4 (Iron) 12561873 71.06 210 75
2001~2003 LQ4 (Alum) 12562317 71.06 210 75
2002~2003 LQ9 12572035 71.06 210 75
