Supertech BMW Internal Engine Parts for BMW I12 i8 B38 1.5L

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Rebuilding your engine or giving your cylinder head an overhaul? Internal engine components covers parts that are located within the engine block and cylinder head. Examples include: timing chains and tensioners, rocker arms, rod bolts and studs, head bolts, valve springs, connecting rods, and more. These are Genuine BMW engine parts, performance upgrades, or approved aftermarket brands that have a long track record of reliability and quality.

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5mm Single Groove Valve Keeper - Set Of 24
5mm Single Groove Valve Keeper - Set Of 24
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T#:21604314
Part#: KPR-5.0-7S-24
In Stock
$ 72.99 USD
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$ 72.99 USD
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Two required per valve, for use with certain supertech valves 5.0mm single groove
Valve Stem Seal Intake Side - Set Of 8 - BMW MINI B38 B46/48
Valve Stem Seal Intake Side - Set Of 8 - BMW MINI B38 B46/48 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Supertech - Corporate Logo
T#:14783496
Part#: VSI-BM50-IKT
Ships in 6 Business Days
$ 91.99

This product was last offered at the strikethrough price on
01-14-2026

$ 14.99 USD
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$ 14.99 USD
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Supertech Valve Seals are the final piece of the puzzle for your performance valvetrain. This is for a complete valve stem seal repair for the Intake side, you will need 8 of a different part for the exhaust side.
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5mm Single Groove Valve Keeper - Priced Each
5mm Single Groove Valve Keeper - Priced Each
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Supertech - Corporate Logo
T#:21604312
Part#: KPR-5.0-7S
Back Ordered
$ 3.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 3.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Two required per valve, necessary use with certain supertech valves 5.0mm single groove

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