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Engines and Components Camshafts and Valvetrain

Supertech

Supertech BMW M50/M52/S50/S52 Black Nitrided Exhaust Valve - Set of 12

$403.10 $322.57 Save $80.53

SKU: S00P BMEVN-1030S-12

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In Stock
Ships by Aug 7
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: BMEVN-1030S-12

MIA's Description

Supertech exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for greater strength at higher temperatures. Features: Head Diam: 30.50mm, Material: Black Nitride, Groove Type: Single Groove, Length: 105.65mm, Stem Diam: 5.95mm, Size: Std, Back-cut angle, Undercut stem, One piece forged valve (non-magnetic), Magnetic friction welded wafer, Hardened to 52 HRC min, Black Nitride for superior hardness keeping core ductility, “Superfinish” valve stem with a surface roughness of about 1/3 of a regular valve. Benefits: Less Friction, Better Flow Rates, Better Sealing, Improves durability and reduces carbon build up.

Fitment

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Specifications

BrandSupertech
Part NumberS00P BMEVN-1030S-12

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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