1987 GSX-R - 400cc

they clamp onto forks 35-41mm in diameter

Its dual-exit design with fishtail end caps

Comes with a long list of tools and a super tough 5040 denier nylon shell with top grade hardware and zippers

athena valve stem seal kit for aprilia 3OM 1987 GSX-R - 400ccAthena Valve Stem Seal Kit for Aprilia Athena valve stem seals, also called valve guide seals, are direct OE replacements and sold in sets of 10. Athena offers the widest range of replacement gaskets on the market and has over 50 years of experience supplying OE gaskets for some of the world's largest motorcycle manufacturers. Features: Manufactured in state of the art computer controlled facilities Made from high quality materials Meets or exceed OEM