Cometic Complete Gasket Kit (no head gasket) for 1989–1991 Ski-Doo Formula Plus supplies a full set of mating surface gaskets for a thorough engine rebuild. Cometic uses in-house dynamometers and engine assembly rooms to ensure quality, and their gaskets undergo street, track and dyno testing to confirm consistent sealing and reliability across rebuilt engines.
Cometic 89-91 Ski Doo Formula Plus Complete Gasket Kit