Found this on eBay. Used, .040" over, and only 7 in the set, the 8th suffered the consequences of detonation. http://cgi.ebay.com/ebaymotors/TRW-Seaded-Power-forged-pistons-350-Buick-L2343-40over_W0QQcmdZViewItemQQcategoryZ33623QQihZ002QQitemZ120221800694QQrdZ1QQsspagenameZWDVW