Supertech Supertech Upgraded Valve Stem Seal Kit - BMW S38 3.5L 3.6L vs-vw7-s38KT

Supertech Upgraded Valve Stem Seal Kit - BMW S38 3.5L 3.6L

Includes a full set of polyacrylic intake and viton exhaust valve stem seals! Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track! These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter! Guide OD: 9.8mm/.385" Seal OD: 13.2mm/.520"
Supertech Supertech
T#: 641032 | Part#: vs-vw7-s38KT
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177.99 $177.99
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Est. Ship Date:
Ships Jul 10, 2025
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Supertech Upgraded Valve Stem Seal Kit - BMW S38 3.5L 3.6L
$177.99

Includes a full set of polyacrylic intake and viton exhaust valve stem seals!

Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track!

These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter!

  • Guide OD: 9.8mm/.385"
  • Seal OD: 13.2mm/.520"

Prop 65 WarningProp 65 Warning
Qty Description T# Part# Lifetime
12 Supertech 7mm Intake Valve Stem Seal - Polyacrylic - BMW S14 S38 T#641013 VS-VW7I~SPT YES
12 VW-Audi 7mm Exhaust Valve stem seal / Viton (SET OF 12) T#35795472 VS-VW7E-12~SPT YES

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Lifetime Replacement

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Products protected by our Lifetime Replacement Program are covered for as long as you own the product, no need to worry about an expiration date. Purchase your products and enjoy some worry-free motoring, knowing we've got you covered.

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MAKE MODEL SUBMODEL ENGINE Special Fitment Notes
BMW All All S38 3.5L Use vehicle selector to confirm fitment
BMW All All S38 3.6L Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All warranties, product application, fitment, and performance are the responsibility of Turner Motorsport. For additional information see the terms of use.