I have 6 JE flatop pistons PN243108 that have about 3K miles on them. I just redid my motor and found two bad pistons They are 4.125 4" stroke with -5 valve reliefs. 350$ shipped OBO
http://myweb.cableone.net/d-illich/pics/pistons1.jpg
http://myweb.cableone.net/d-illich/pics/pistons2.jpg
http://myweb.cableone.net/d-illich/pics/pistons3.jpg
http://myweb.cableone.net/d-illich/pics/pistons4.jpg
http://myweb.cableone.net/d-illich/pics/pistons5.jpg
http://myweb.cableone.net/d-illich/pics/pistons6.jpg
http://myweb.cableone.net/d-illich/pics/pistons7.jpg
http://myweb.cableone.net/d-illich/pics/pistons8.jpg
http://myweb.cableone.net/d-illich/pics/pistons9.jpg
thanks,
Danny