*1EA HI OUTPUT OIL PUMP 270% COMPARED TO STOCK XR50 XR70 CRF50 CRF70 (S1072) OEM
THIS ALSO WORKS GREAT AS A STOCK 50 OR 70 REPLACEMENT !!
 
Z50R, Z50RD, ZB50, 82-83 C70, CT70 1991-1994
 
THIS WORKS ON ALL ENGINES WITH CDI AND MOST ALL ENGINES FROM 1982 AND NEWER. (SORRY NOT THE ATC OR TRX 70'S THOU)
 
IT HELPS TO DRILL THE ORFICE TO JUST UNDER 1.6MM SEE PICTURE