Contental Engines A-65, A-75, C-75, C-85, C-90, and O-200 A,B,C require set of both Cont. #22800 Outer & Cont. #21185 Inner Hose.

Continental C-125, C-145, and O-300 require Continental #22800 Outer hose only.

Cont. #22800 Outer & Cont. #21185 Inner Hose Set
(8 sets required for A-65, A-75, C-75, C-85, C-90, 0-200 A,B,C)