GSC Power-Division Viton Intake Valve Stem Seals for Toyota and BMW B58 Platforms

GSC Power-Division Viton® Valve Stem Seals are manufactured using genuine DuPont Viton® fluoroelastomer, engineered to withstand the extreme heat and conditions found in today’s high-horsepower turbocharged engines.

Built to a higher standard than OEM, these Viton® valve seals offer:

• Excellent resistance to high temperatures

• Superior protection against fuel and chemical contaminants

• Extended service life, ideal for high-RPM and high-mileage engines

GSC Power-Division uses Viton® seals on both intake and exhaust valves, ensuring consistent sealing and durability throughout the entire valvetrain—no corners cut.

All of this performance comes at a fraction of OEM dealership pricing, making GSC Viton® valve stem seals an excellent choice for stock rebuilds and performance engine builds alike.

Applications:

• Toyota Supra B58

• BMW Z4 B58

• BMW S55

• BMW S58

Package Includes:

• Set of 12 Intake Valve Stem Seals

• 5mm valve stem size