GSC Power Division BMW S58 & B58 Viton Exhaust Valve Stem Seals MHC_STILL_LIVE Give the plain plastic factory

Give the plain plastic factory cap an upgrade with this brand new BLACKLINE Performance Washer Fluid Cap

- G30 5-Series

- Genuine BMW part

- Audi C8 RS6 Avant (2019+)

GSC Power Division BMW S58 & B58 Viton Exhaust Valve Stem Seals MHC_STILL_LIVE Give the plain plastic factoryGSC Power Division Viton Valve Stem Seals use genuine DuPont Viton fluoroelastomer material. Viton was specifically developed for the extreme conditions seen in todays high horsepower, Turbo engines. Held to a higher standard, GSC Power Division Viton valve seals provide improved resistance to high temperatures, fuel, and chemical contaminants as well as extended wear as seen in high rpm or high mileage engines. GSC Power Division doesnt believe in