BMW X Series E83 (2004-2010)

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Supertech - Corporate Logo
T#:51426477
Part#: SPRKH100DRBMST
Back Ordered
New Item
$ 833.99 USD
$ 833.99 USD
Crafted from premium Superclean Chrome Silicon Vanadium Steel alloy, these valve springs offer exceptional performance and durability even at high RPMs. CAD engineering ensures that the wire stress levels remain within defined limits for long-lasting durability, even under extreme racing conditions. Advanced computer software allows Supertech to meticulously control harmonics, ensuring optimal performance. Manufactured with high-quality military-certified Steel, the retainers are CNC machined to provide a precise fit, guaranteeing longevity and reliability.
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Black Forest Industries - Corporate Logo
T#:50899204
Part#: BFI-906-LUG
Ships on Aug 12, 2026
New Item
$ 4.99 USD
Free Shipping on orders $49 and up
Specifically engineered for vehicles utilizing a wheel stud conversion.