The most reasonably priced component used on the 90trp 1991 Repair Kit 1 is the Gasket (663) (nas).
The O-ring is the most widely applied product in the 90TRP 1991 REPAIR KIT 1 ( three times ).
A sample from the products for the Repair Kit 1 include: Gasket, O-ring (655), Ring, O(663), Gasket Kit For Power Head.
