I need 100,000 sets of powder metallurgy exhaust valve guide and brass inlet valve guide and powder metallurgy inlet and exhaust valve seats of peogout 405 / 1.8 cc and Tu5/ 1.6 cc and Tu3 / 1.4 cc , please send me your price and technical data, delivery time , if you need to part drawing , i could send you . Thank you. M.Farhat