SOME OF THESE WILL NEED SOME ALUMINUM GROUND OFF AT THE POINT IT MEETS THE HEAD AT THE INTAKE ADJUSTMENT CAP RISER YOU WILL ALSO NEED TWO OF THE SCREWS BELOW THAT HAVE THE FLAT PHILLIPS HEAD ,, AND ONE OR TWO OF THE GASKETS 290j @ *SCREW SHIFT DRUM STAR 93600-06020-0A 1/22M (206M) 206M @ GASKET INTAKE_TO_HEAD CT70KO/77 ALL_SL/XL70'S (all_ct110's) (AFT31B) temp out of stockTHIS GOES CLOSEST TO THE HEAD ON THE INTAKE SIDE. FITS KO THRU 1977. and all atc70's 22MM CENTER 44MM BOLT PATTERN ALL HOLES ARE CENTERED all SL AND XL70'S TAKE 2 ONE ON BOTH SIDES OF THE INSOLATER AFT31B @ *GASKET INTAKE_TO_HEAD CT70KO_to_1977 ALL_SL/XL70'S (all_CT110's) (CT200?)7/20M (31B) THIS GOES CLOSEST TO THE HEAD ON THE INTAKE SIDE. FITS KO THRU 1977. and all atc70's 22MM CENTER 44MM BOLT PATTERN ALL HOLES ARE CENTERED all SL AND XL70'S TAKE 2 ONE ON BOTH SIDES OF THE INSOLATER 31B