GY6 K-BLOCK 172cc / 180cc / 200cc VALVE / CYLINDER HEAD COVER GASKET FOUND ON GY6 GO KARTS AND ATV MOTORS FOR 61mm BORE CYLINDER / 57mm STUD SPACING **THIS IS FOR A K-BLOCK NOT A B-BLOCK** THE BACK 6mm BOLTS ARE IN A DIFFERENT LOCATION *MEASURE AND COMPARE BEFORE BUYING* HAVE A QUESTION ABOUT YOUR BUILD? PLEASE EMAIL US AND WE CAN HELP YOU WITH ANYTHING YOU NEED. FITS TAO MOTORS BULL 200 CAZADOR, RANCHER AND OTHERS