GSC Power-Division Viton Exhaust Valve Stem Seals for Toyota and BMW B58 and S58 Platforms.

GSC Power-Division Viton Exhaust Valve Stem Seals for Toyota and BMW B58 and S58 Platforms

$33.25
Sale price  $33.25 Regular price  $33.25
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GSC Power-Division Viton Exhaust Valve Stem Seals for Toyota and BMW B58 and S58 Platforms.
SKU: GSC1089

GSC Power-Division Viton Exhaust Valve Stem Seals for Toyota and BMW B58 and S58 Platforms

Low stock: 8
$33.25
Sale price  $33.25 Regular price  $33.25

Prop 65 Warning

Cancer and Reproductive Harm - www.P65Warnings.ca.gov

GSC Power-Division Viton® Valve Stem Seals use genuine DuPont Viton® fluoroelastomer material.

Viton® was specifically developed for the extreme conditions seen in today’s 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 doesn’t believe in cutting corners, that’s why the Viton® valve seal kits are used on both the intake and exhaust valve seals. All of this performance for a fraction of OEM dealership parts, GSC’s Viton® valve seals are perfect for all situations.

  • Toyota Supra B58 Valve Stem Seals
  • BMW B58 Valve Stem Seals
  • BMW S55 Valve Stem Seals
  • BMW S58 Valve Stem Seals


Sold as a set of 12 Exhaust 6mm stem seals.

Product fitment
3-Series: G20/G21
5-Series: G30/G31
6-Series: G32
7-Series: G11/G12
8-Series: G14/G15/G16
X3: G01 , X4: G02 , X5: G05, X6: G06 , X7: G07
Z4: G29

IMAGES ARE FOR ILLUSTRATION PURPOSES ONLY.

GENERAL F.A.Q

Where are GSC products manufactured?

Many GSC products, including our camshafts, are designed, machined, and finished in-house at our facility in South Carolina, USA. We maintain strict quality control throughout the manufacturing process.

How long has GSC been in business?

GSC Power-Division has been serving the performance automotive industry for over 20 years, supplying racers, engine builders, tuners, and enthusiasts worldwide.

Do you sell directly to consumers?

Yes. We sell directly through our website and also through an extensive network of authorized dealers and distributors worldwide.

Does GSC cover engine damage?

GSC’s warranty covers defects in the product itself. Consequential damages, including engine damage, labor, towing, or vehicle downtime, are not covered.

Will racing void my warranty?

Products used in racing or competition environments are subject to conditions outlined in our warranty policy. Performance applications inherently involve risks beyond normal operating conditions.

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