This will be for (8 )TC1885 .060 Clevite pistons fitting the following: GM: 327cid 5.4L OHV v8 1962-1969 Chevy Engine,(Recessed Head, 2 Valve Reliefs ) LOW COMPRESSION, 3.510" Length, 1.655" Comp Distance, .927"Pin Diameter, 2-5/64" Comp And 1-3/16"...