@ *INTAKE_MANIFOLD TO_HEAD_ORING 27MM_X_2MM 91305-KF0-003 1/20M CT110_S90 (R2102) THIS IS THE O-RING FOR THE BASE OF THE MANIFOLD. IT GOES BETWEEN THE MANIFOLD AND THE HEAD. WITH THESES MANIFOLDS THERE IS NO GASKET JUST THE O-RING BETWEEN THE HEAD AND THE MANIFOLD. IT FITS THE (78 TO 82 CT70'S AND CT90'S), ALL CT110'S AND ALL PASSPORTS.