USA made 12v head gasket

954x4cummins

Rust bucket
Anyone seen one of these head gaskets in awhile? I just bought a bunch of these NOS. They are 12v complete top end gaskets sets. Do you think there would be any problems with them since they have been setting around for a while?
 

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I bought 6 sets. I have a chance to get 10-12 more. They're coming from a ONAN dealer that went out of business. All the gaskets in the set have USA stamped on them.
 
If it came from an Onan dealer its possible its for a non turbocharged, or LPG application that doesnt have the cylinder pressures we are looking for out of them. I'd stay away if it were me.
 
Most all of the Onan/cummins engines I've seen were Gensets that are natural gas non turbo engines.
 
If they are NOS from the late 90's they are not the "marine" gaskets we had to switch to because of coolant leak problems.
 
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