Does GM make a small bore ls3 style head?
05-13-2010, 12:27 AM
#1
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Does GM make a small bore ls3 style head? I understand mast motorsport makes this sort of set up does GM have a part number maybe used on a small bore like a 5.3 or something ?????? Sorry if that has been asked before.
05-13-2010, 08:22 AM
#2
Yes they do:
LSX-L92 small bore head # 19201807
-2.000 intake valve & 1.550 exhaust valve
-15 deg valve angle
-Minimum 3.890 bore
-250cc intake ports, 80cc exhaust ports, 65cc combustion chambers
-Uses LS3 rocker arms
No pricing yet, but imagine they won't be cheap.
LSX-L92 small bore head # 19201807
-2.000 intake valve & 1.550 exhaust valve
-15 deg valve angle
-Minimum 3.890 bore
-250cc intake ports, 80cc exhaust ports, 65cc combustion chambers
-Uses LS3 rocker arms
No pricing yet, but imagine they won't be cheap.
