1EA BIG BORE HEAD GASKET OLD TYPE 90CC COPPER 54.60MM ID 64.60MM OD .032" THICK (313I)
 
FITS :

ALL S90 CM91 CL90 SL90

CT90K0 TO CT90K4

ATC90'S WITH A ENGINE SERIAL NUMBER'S SMALLER THAN 1113934 OR ABOUT 1971 AND OLDER