This is topic help identifing pistons in forum Tech Talk at Northern California Ford Owners  .


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Posted by SnakeBit (Member # 8871) on :
 
I took the heads off my 302 and I find out that the bottom end isn't stock. The pistons have a engraving on the top it says

517P. .040
019-01-07-A

Anybody know what they are?

Thanks
 
Posted by sydewayzLX50 (Member # 10217) on :
 
the .040 means theyre for cylinders that are bored .040 over stock the rest i dont know
 
Posted by phonso302 (Member # 9260) on :
 
quote:
Originally posted by sydewayzLX50:
the .040 means theyre for cylinders that are bored .040 over stock the rest i dont know
What he said,might be a stock rebuild that someone wanted bored out 40 over for some reason
 
Posted by blueoval55 (Member # 9787) on :
 
those are cast Sealed Power pistons
 
Posted by C6Z06s_own_50Deep (Member # 5888) on :
 
http://www.summitracing.com/parts/FEM-517P40/


here ya go...
 
Posted by SnakeBit (Member # 8871) on :
 
Thanks! [patriot]
 




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