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View Full Version : Sealed Power w571cp piston question 2.5


jl93sundance
10-23-2013, 10:58 AM
Has anybody used or ordered these pistons before? If so as good or almost as good as stock? or are they hyper pistons? Here's a link to the description:

http://www.rockauto.com/catalog/moreinfo.php?pk=432237
turbovanmanČ
10-23-2013, 02:28 PM
I would call SP or Rock auto and see if they are cast or hypers.
jl93sundance
10-23-2013, 04:58 PM
I talked with the guy at sealed power, they said they are for na applications...are the 533p a cast piston?
turbovanmanČ
10-23-2013, 08:35 PM
I talked with the guy at sealed power, they said they are for na applications...are the 533p a cast piston?

You can't use them as the compression will be too high. Yep, 533 is cast.