Thread: Jahns Pistons part# 1157
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Old 07-26-2016, 11:14 AM
chevyandpontiac chevyandpontiac is offline
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Default Jahns Pistons part# 1157
I am trying to find out if these are open or closed chamber pistons.

I know they are 1965-1970 396 standard bore, 12.1 CR

Thanks Dan
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