mines a 64 and it takes a screw on lol so did my last one a 63 265's are the one that took those cannister kinds and it was an option the 265 isnt even cast for a scre one filter to my knowledge...... AND FOR THE BIGGIE AND THE MOST EASIEST OF THEM ALL lol..........look at the front of your block if your looking at it from the front, on the left side right above the water pump you will see an ear no other motors has this ear except 265 283's and one or two 327's. show me a pic of the front of your block and i can tell u what it is in 2 seconds.......scooter....A.K.A. the 283 guru ...p.s. email if ya need more info................