This listing is for Clevite77 "P" series rod and main bearings compatible replacements for the Chevrolet 6.0L LS1 LS2 engines. P/N CB663P x 8 / MS2199P. SPECIFY IF Different SIZES REQUIRED AT TIME OF PURCHASE , STD.- .010 -.020 -.030 available. They fit the following Chevrolet & GMC V8 engines in passenger cars and pickup trucks. 293 CID (4.8L) 1999-2013 All Vortec 294 CID (4.8L) 1999-2013 All Vortec 325 CID (5.3L) 1999 & Newer All Vortec & LS4 346 CID (5.7L) 1997-2005 All LS1 & LS6 364 CID (6.0L) 1999 & Newer All Vortec & LS2 365 CID (6.0L) 1999 & Newer All Vortec & LS2 376 CID (6.2L) 2008 & Newer All Vortec, LS3 & LS9 This is a Standard/Stock Size Kit.