What 7secondchevelle has up for your consideration is a new Isky rev kit is to be used with roller lifters 1271-LO-150/ 1271-LO-185 and 1241-LO-150-874. These are to be used with offset intake lifters. Preloads roller lifter to stay in contact with camshaft. Email for any other questions or pictures. Please read: I do not ship directly out of the USA. You can use eBays global shipping system if needed. I will not be held responsible for non or under insured items. Local pickup is always OK. Please email with any questions or for any additional information. Thank You and God Bless.