WE BEAD BLAST AND PAINT THESE CYLINDERS WITH HIGH TEMP BLACK.
SOLD OUTRIGHT WITH NO CORE NEEDED.
THESE ARE COMPLETELY READY TO INSTALL, FRESH BORE AND HONE.
PLEASE BREAK IN LIKE A NEW ENGINE
I LIKE TO RUN FOR 5 MIN AT 1/4 THROTTLE OR LESS THEN LET COOL AND REPEAT. THEN EASY FOR A TANK OF GAS.
MAIN PICTURE SHOWS A 53.50 PISTON AND A COPPER HEAD GASKET,, BUT THIS LISTING IS FOR THE 50.50 PISTON KIT AND CYLINDER WITH NO EXTRA GASKETS INCLUDED
FITMENT:::
CT90K0 K2 K3 K4
ATC90'S WITH FRAME #'S LOWER THAN 1113934
ALL S90
ALL SL90
ALL CL90'S
ALL CM91
=========================================
FRAME NUMBER CHART FOR CT90'S SEE BELOW
CT90K0 = CT90-100001 TO CT90-200000 (note just 6 digits)
CT90K1 = CT90-200001 TO CT90-300000 (note just 6 digits)
CT90K2 = CT90-300001 TO CT90-400000 (note just 6 digits)
CT90K3 = CT90-400001 TO CT90-499999
CT90K4 = CT90-1400001 TO CT90-1500002
