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Thefatkid
12-23-2013, 05:34 PM
I was given 8 NOS TRW pistons with "1688P" stamped on the top. He said they are BBC 427, but I cant find any info at all. Does anyone out there have all the info??
TheEngineer
12-30-2013, 03:39 AM
http://www.yellowbullet.com/forum/showthread.php?t=463494