Pair of genuine GM LSA LS9 head gaskets. 

GM part number 12622033

Can be used on other 6.0L and 6.2L supercharged applications.

Bore (in): 4.100 in.
Bore (mm): 104.140mm
Gasket Material: Composite
Compressed Thickness (in): 0.051 in.
Compressed Volume (cc): 11.034cc 

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