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I have a set of I believe are wiseco piston came in 521 but you could not run over a 550 lift cam due to valve relief angles. I guess they must be for some other style head. I changed to solid roller and bought new pistons, but the wiseco still look brand new. I will get pics and part #
350.00 plus shipping if anyone is interested
 

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They're a standard valve layout piston guys. They wont fit an alum. scj or a P51.
They look like a nice piston though!
If they dont sell, i may be interested even though i dont have an immediate use for them...lol
 

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Just looked up number, with the 1.350 comp. ht. piston you could also use in a 4.5" crank and 6.7 rod.

Ford 460 Stroker Flat Top w/4.300” Crank (Will not fi t M6049-SCJ heads)

cubic inch = 521

bore size = 4.390

stroke = 4.3

rod lenght = 6.8

comp. ht. = 1.350

dome = -5.9cc

comp. ratio 76cc head = 12.4:1

replacement ring part number = 4390H


http://www.wiseco.be/Documents/protru/CompleteCatalog.pdf
 
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