SKU: 81556748798

Exhaust valve BMW S42/M42/M50/S50/S52/M52/M54 /1.8/2.5L (16v)/2.8-3.0L (24v)

Sale price$27.00 Regular price$30.00
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

Exhaust valve BMW S42/M42/M50/S50/S52/M52/M54 /1.8/2.5L (16v)/2.8-3.0L (24v)The production of our race valves begins with a one piece forging where the valve head is forged in a slow two step process to maintain a good material flow. Then it is machined on the CNC in several stages to ensure the precision of the final dimensions. Then, we perform another thermal treatment for relaxation, followed by nitride curing (or coating process depending on the application). Finally, we perform one more grinding followed by a patented

The production of our race valves begins with a one-piece forging where the valve head is forged in a slow two-step process to maintain a good material flow.

Then it is machined on the CNC in several stages to ensure the precision of the final dimensions.

Then, we perform another thermal treatment for relaxation, followed by nitride curing (or coating process depending on the application).

Finally, we perform one more grinding followed by a patented surface finish to ensure that each valve is free of imperfections and the dimensions are precise.

With each valve design, we strive to maximize durability due to the higher resistance to fatigue and tensile strength.

Each valve tip is hardened above 52 HRc.

It is unlikely that you will find valves from our competitors with stricter dimensional tolerances than our Supertech valves.

Combine it with ready valve seats with equally strict tolerances and you will not find better sealing, better performance and easier to install solutions anywhere!

When our Superfinish coating is combined with our black nitrogen, it reduces the surface roughness to 1/3 of our chromed valve.

The end result ... unmatched performance and durability./p>

Fits: BMW S42/M42/M50/S50/S52/M52/M54 /1.8/2.5L (16v)/2.8-3.0L (24v)

Dimensions:

Head diameter: 31.50 mm (+1.0)

Stem diameter: 5.96 mm

Length: 105.65 mm

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 81556748798

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Alexandria, US
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So comfortable! They stay up perfectly love love love
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PPeter
Omaha, US
★★★★★ 1
Too large. Correct size not depicted.
SIZE 10-14... Too large. Product details says "Regular" size. Returning.
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Reviewed in the United States on March 16, 2026
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Stacey Lovejoy
Grantham, US
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Too big
The one size fits all was too big for me.
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Randy Deasy
Birmingham, US
★★★★★ 5
Not to thick or thin well made
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
I bought pink so as not to lose when doing laundry with my daughter who steels all socks lol!
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Reviewed in the United States on May 8, 2026

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