THIS IS MY FIRST TIME
"THIS IS MY FIRST TIME PURCHASING THESE OVER-SIZED "WISECO PRO-X KIT'S",,,, I USUALLY GET WISECO RACING PISTON'S,,, "BUT",, FOR THIS 503 ROTAX-ENGINE I AM REBUILDING,, I THOUGHT I WOULD GIVE THEM A TRY,,, THEY ARE A GREAT KIT,,, EACH KIT COME'S WITH ALL YOU NEED TO IN-STALL THE PISTON ON THE CONNECTING ROD,,, THEY ARE ACCUATLY SIZED PISTON'S,, IT WAS EASY TO MATCH THE CYLINDER RE-BORE TO THE PISTON'S,,, WISECO HAS A GREAT REPUTATION FOR THEIR PRODUCT'S,,, YOU CAN BUY WITH CONFIDENCE."