SKU: 76963009273

Supertech BMW Intake Valve | Black Nitrated | S42/M42/M50/S50/M52/S52/M54

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Description

Supertech BMW Intake Valve | Black Nitrated | S42/M42/M50/S50/M52/S52/M54Supertech Performance BMIVN 1030 BMW S42 M42 M50 S50 M52 S52 M54 Intake valve Supertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in


Supertech Performance BMIVN-1030 BMW S42 / M42 / M50 / S50 / M52 / S52 / M54 Intake valve

Supertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.

Specs:

  • Head Diameter - 33.00mm (STD)
  • Length - 106.1mm
  • Material - Black Nitrated
  • Stem Diameter - 5.96mm


Supertech High Performance Race Engine Valves features:

  • The microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum)
  • Surface finish is smoother than with chromed stems, having less friction between stem and guide.
  • Valve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other "explosive" mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).
  • Higher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.
  • The nitrided layer is adhered to the base material at a microscopic level, so does not"flake" or brake when the valves bend due to impacts with the pistons.
  • The Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.

All Fitments

BMW
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1991 - 1995 318I ALL ALL 1.8 ALL M42 ALL 16Valve
1991 - 1995 318IS ALL ALL 1.8 ALL M42 ALL 16Valve
1995 - 1995 318TI ALL ALL 1.8 ALL M42 ALL 16Valve
2000 - 2000 323CI ALL ALL 2.5 ALL M52 ALL 24Valve
1998 - 2000 323I ALL ALL 2.5 ALL M52 ALL 24Valve
1998 - 1999 323IS ALL ALL 2.5 ALL M52 ALL 24Valve
2001 - 2006 325CI ALL ALL 2.5 ALL M54 ALL 16Valve
1992 - 1995 325I ALL ALL 2.5 ALL M50
M50TU 		ALL 16Valve
2001 - 2005 325I ALL ALL 2.5 ALL M54 ALL 16Valve
1992 - 1995 325IS ALL ALL 2.5 ALL M50
M50TU 		ALL 16Valve
2001 - 2005 325XI ALL ALL 2.5 ALL M54 ALL 16Valve
2000 - 2000 328CI ALL ALL 2.8 ALL M52 ALL 24Valve
1996 - 2000 328I ALL ALL 2.8 ALL M52 ALL 24Valve
1996 - 1999 328IS ALL ALL 2.8 ALL M52 ALL 24Valve
2001 - 2006 330CI ALL ALL 3.0 ALL M54 ALL 24Valve
2001 - 2005 330I ALL ALL 3.0 ALL M54 ALL 24Valve
2001 - 2005 330XI ALL ALL 3.0 ALL M54 ALL 24Valve
1991 - 1995 525I ALL ALL 2.5 ALL M50 ALL 16Valve
2001 - 2005 525I ALL ALL 2.5 ALL M54 ALL 16Valve
1993 - 1993 525IT ALL ALL 2.5 ALL M50 ALL 16Valve
1997 - 2000 528I ALL ALL 2.8 ALL M52
M52TU 		ALL 24Valve
2001 - 2005 530I ALL ALL 3.0 ALL M54 ALL 24Valve
1995 - 1995 M3 ALL ALL 3.0 ALL S50 ALL 24Valve
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 76963009273

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4.3 ★★★★★
Based on 17 reviews
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C
Verified Purchase
Carol
Lake Worth, US
★★★★★ 5
Great ankle socks that stay put at a great price!!
Size: 6-9, Color: Assorted
These are great! I have been looking for a low profile ankle sock that is thinner but doesn’t ride down. (Picky, right?) I try to walk 5-7 miles on my days off. So it’s very important for me to not have to stop every couple of hundred yards, bend down, fix socks, then continue on my way while grumbling about NOT GREAT socks. These are not those socks. They really do stay put!!! And enough cushion to be comfortable also. So definitely a repeat!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 2, 2018
N
Verified Purchase
Nicole
San Leandro, US
★★★★★ 5
Great quality, no holes or fading!
Size: Medium, Color: Black/Assorted
I purchased these socks a couple years ago and love them so much that I just recently purchased them again! They fit perfectly, don't make my feet sweaty, and hit the ankle at the right spot. The material is so good that over years they have not faded and even though I wear the same few pairs every day, they have no signs of thinning or holes! These are the ONLY socks that I buy. I have the black ones as well as the multi-colored ones. I will never buy another brand or style again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2020
J
Verified Purchase
Jennifer M Bailey
Louisville, US
★★★★★ 5
Cute under armor socks
Size: Medium, Color: Black/Assorted
There's no show under armour socks.Are perfect for anybody who likes thinner socks. I loved them, I love the design the colors and the comfort and fit. Hylie recommend to those of you who like thinner socks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 22, 2024
K
Verified Purchase
Kindle Customer
Alexandria, US
★★★★★ 4
Well made and perform well, a little constricting
Size: Medium, Color: Black Assortment (6-pairs)
These socks definitely keep most of the moisture away from my feet, even in wet conditions, which is why I bought them. I am diabetic, though, and the recommendation is to wear socks that don't constrict at any point. These have a tight band around the opening that while it is not uncomfortable on, leaves a mark when I take them off. So far it's been ok, but if you have any kind of swelling in your feet or ankles these would probably not be the best. My foot measures size 8 and I wear size 9 Brooks running shoes. The socks fit me just right but based on the size of the opening and the overall length, I wouldn't think they would fit anyone more than a size larger. Overall well made and perform well as you would expect from this brand.
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Reviewed in the United States on July 20, 2018
H
Verified Purchase
Halle
Los Angeles, US
★★★★★ 5
long lasting!
Size: Medium, Color: Black/Assorted
literally my favorite sock i will buy forever. they just started busting through after 6 years and i wear them a lot
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 13, 2025

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