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02PHR MulePt716z

There are many slick features on the GM aluminum block, but one of the most visible components are these threaded, anodized, and O-ringed freeze plugs located all over the block. They are tightened in place with large diameter allens and seal the engine tightly.
Meticulous Mouse For The Mule

There are many slick features on the GM aluminum block, but one of the most visible components are these threaded, anodized, and O-ringed freeze plugs located all over the block. They are tightened in place with large diameter allens and seal the engine tightly.  View Related Article

 

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