CHROME PISTON RINGS FIT KOHLER K301 STANDARD SIZE, REPLACES # 48-108-01-S, 235889,NEW
SHIPS FROM USA WITH A TRACKING NUMBER
NOT MADE IN CHINA

All K301 engines, such as K301A, K301S, K301AS, K301AQS and so on no matter what the suffix is.

SPECS FOR MACHINE TO BORE CYLINDER: WE RECOMMEND THAT YOU TAKE YOUR PISTON TO THE MACHINE SHOP SO THEY CAN MEASURE AND BORE CORRECTLY
K301 12 HP STANDARD Cylinder Bore 3.375" 
+.010" 3.385" 
+.020" 3.395"  
+.030" 3.405"
+.040" 3.415"

NOTE: IF TIMING TOOL IS NEEDED TO TIME BALANCE GEARS WE HAVE THE TOOL AVAILABLE IN MY EBAY STORE OR SEARCH EBAY FOR KOHLER PART # Y-357 OR 25-455-06-S

TORQUE ON CONNECTING ROD 260 INCH POUNDS 
CYLINDER HEAD BOLTS 25-30 FOOT POUNDS
OIL PAN AND CLOSURE PLATE 35 FOOT POUNDS
VALVE ADJUSTMENT
INTAKE VALVE .010"
EXHAUST VALVE .019"
POINTS GAP .020"
NOTE:  PROPER CONNECTING ROD INSTALLATION IS HOLE IN CONNECTING ROD CAP FACES THE CAMSHAFT.

CONNECTING ROD SPECS: 
1.500" STANDARD
1.490" .010" UNDERSIZE
1.480" .020" UNDERSIZE

NOTE: IF CYLINDER IS MORE THEN .003" TAPER IT WILL NEED TO BE REBORED AS INSTALLING NEW PISTON AND RINGS IN A TAPER BORE THEY WILL PROBABLY CAUSE THE ENGINE TO SMOKE & BURN OIL.
KOHLER RECOMMENDS AFTER HONING & OR REBORING THAT THE CYLINDER BE WASHED IN HOT SOAPY WATER TO ENSURE ARE GRIT FROM MACHINING IS REMOVED BEFORE THE NEW PARTS ARE INSTALLED IN THE ENGINE.