Supertech Exhaust Valve - Priced Each

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T#:26404919

Part#: MCEVI-1202-HS

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$ 69.99 USD

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Enhance your Mini's engine performance with these high-quality intake valves. Made of durable Black Nitride material, these valves feature a single groove design for improved airflow. With a head diameter of 27.00mm (+0.08) and a length of 110.15mm, they are designed to optimize engine efficiency and power output.

Durable Black Nitride material ensures longevity
Single groove design improves airflow
Precision-engineered for optimal performance
Compatible with Mini engines for seamless installation

Upgrade your Mini's engine with these intake valves and experience improved performance on the road.

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Supertech Exhaust Valve - Priced Each

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T#:18302505

Part#: MCEVI-1200-HS

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$ 67.99 USD

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5mm Single groove valve lock conversion (SET OF 16)

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T#:51356057

Part#: KPR-5.0-7S-16

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$ 60.99 USD

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Supertech Single Groove Exhaust Valve - Priced Each

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T#:21472889

Part#: BMEVI-1055S-HS

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$ 55.99 USD

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Single Groove sodium filled exhaust valves for high performance builds Head Diam: 28mm (std) Material: Inconel-Nimonic / Sodium Filled Groove Type: Single Groove Length: 112.9mm Stem Diam: 5.96mm

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BMW M42 M50 M52 M54 6mm Single Groove Valve Keeper - Set Of 24 ...

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T#:21604313

Part#: KPR-6S-7-24

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BMW M42 M50 M52 M54 6mm Single Groove Valve Keeper is a precision-engineered component essential for securing valves in BMW engines. Turner Motorsport offers this high-quality valve keeper, designed to fit specific Supertech valves for enhanced performance and reliability.

Precision Fit: Designed specifically for BMW M42, M50, M52, and M54 engines, ensuring a perfect fit with 6.0mm single groove valves.
High-Quality Construction: Made from durable materials to withstand high-pressure conditions and provide long-lasting performance.
Enhanced Valve Security: Two keepers are required per valve to securely hold the valve in place, preventing movement and ensuring consistent engine performance.
Compatibility: Ideal for use with certain Supertech valves, providing a reliable solution for engine builds and upgrades.
Easy Installation: Simple to install with standard tools, offering a hassle-free upgrade or replacement option.

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MINI F54 to F60 Supertech Exhaust Valve - Priced Each 28.5mm Standar...

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T#:31191899

Part#: MCEVI-1400S-HS

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$ 56.99

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$ 51.99 USD

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MINI F54 to F60 Supertech Exhaust Valve - Priced Each 28.5mm Standard Size offers a high-performance upgrade for MINI models. This exhaust valve is designed for enhanced durability and efficiency, featuring a standard head diameter of 28.5mm and a length of 100.10mm. It is constructed from black nitride material and filled with sodium to withstand high temperatures and extreme conditions.

High Durability: Made from black nitride and sodium-filled for improved resistance to heat and wear.
Precision Engineering: Standard head diameter of 28.5mm ensures a perfect fit and function.
Enhanced Performance: Designed to withstand high temperatures and provide reliable exhaust flow.
Compatibility: Uses factory retainers and springs for easy installation.
Quality Construction: Inconel material and single groove design enhance the valve’s longevity and performance.

This exhaust valve is ideal for those seeking to optimize engine performance and durability.

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Exhaust Valve - Sodium Filled - Oversize

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T#:21505757

Part#: BMEVI-1054S-HS-1

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$ 55.99

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$ 50.99 USD

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Head Diam: 28.50m (+0.5mm) Material: Inconel-Nimonic / Sodium Filled Groove Type: Single Groove Length: 114.9mm Stem Diam: 5.95mm

Exhaust Valve - Sodium Filled - Std Size

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T#:21505756

Part#: BMEVI-1054S-HS

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Head Diam: 28mm (std) Material: Inconel-Nimonic / Sodium Filled Groove Type: Single Groove Length: 114.9mm Stem Diam: 5.95mm

Supertech Triple Groove Valve Locks - Set Of 24 - BMW M50 2.5L, S50 3...

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T#:8549424

Part#: KPR-VW6-T-24

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$ 45.99 USD

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Upgraded valve locks from Supertech - features a triple groove for compatible intake and exhaust valves.

Supertech Intake Valve - Priced Each 29.80mm(+1.0mm)

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T#:31522974

Part#: MCIVN-1201S

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$ 34.99 USD

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Supertech Upgraded Valve Stem Seal Kit - BMW S14 2.3L

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T#:641031

Part#: VS-VW7-S14KT

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$ 33.99 USD

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Includes a full set of polyacrylic intake and viton exhaust valve stem seals! Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track! These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter! Guide OD: 9.8mm/.385" Seal OD: 13.2mm/.520"

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Supertech Performance Intake Valve - BMW M50 M52

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T#:302459

Part#: BMIVN-1030

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$ 32.99 USD

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Supertech valves are some of 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. These valves are hardened black nitrided, which is most popular in European and Japanese motors.

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Supertech Intake Valve - Priced Each

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T#:18302506

Part#: MCIVN-1200S

Ships on Aug 5, 2026

$ 30.99 USD

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Supertech Performance Exhaust Valve - BMW M50 M52

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T#:640219

Part#: BMEVN-1030S

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$ 29.99 USD

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Supertech valves are some of 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. These valves are hardened black nitrided, which is most popular in European and Japanese motors.

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MINI N14 N18 77.00mm Piston Ring Kit GNH7700

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T#:594815

Part#: GNH7700

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$ 27.99 USD

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Enhance the performance of your MINI N14 or N18 engine with the MINI N14 N18 77.00mm Piston Ring Kit GNH7700. This high-quality piston ring kit is designed to provide optimal sealing and durability for your engine, ensuring smooth operation and reliable performance.

Specifically designed for MINI N14 and N18 engines
Features a diameter of 77.00mm for precise fitment
Ensures optimal sealing to prevent oil leakage and maintain compression
Durable construction for long-lasting performance and reliability

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Supertech Upgraded Valve Stem Seal Kit - BMW S54 S52 S50 M54 M52 M50 ...

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T#:641030

Part#: VS-VBM6-6CYLKT

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$ 27.99 USD

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Includes a full set of polyacrylic intake and viton exhaust valve stem seals! Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track! These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter! Guide OD: 8.8mm/.347" Seal OD: 12.2mm/.480"

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Supertech Intake Valve - Priced Each - Standard Size

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T#:31092526

Part#: MCIVN-1004T

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$ 26.99 USD

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Supertech Intake Valve - Priced Each 30.10 Standard Size

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T#:31589378

Part#: MCIVN-1400S

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$ 26.99 USD

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Intake Valve - Black Nitride - Oversize

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T#:21505753

Part#: BMIVN-1054S-1

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$ 25.99 USD

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Head Diam: 31.9mm (+0.5mm) Material: Stainless Steel 21-4N Groove Type: Single Groove Length: 106.7mm Stem Diam: 4.96mm

Supertech Single Groove Intake Valve - Priced Each

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T#:14783497

Part#: BMIVN-1055S

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Head Diam: 32mm (std) Material: Stainless Steel 21-4N Groove Type: Single Groove Length: 104.9mm Stem Diam: 4.97mm

Intake Valve - Black Nitride

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T#:21505752

Part#: BMIVN-1054S

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$ 25.99

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$ 23.99 USD

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Head Diam: 31.40mm (std) Material: Stainless Steel 21-4N Groove Type: Single Groove Length: 106.7mm Stem Diam: 4.96mm

W11 77.50mm Piston Ring Kit GNH7750

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T#:23284068

Part#: GNH7750

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$ 23.99 USD

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Experience top-tier performance with Supertech Piston Rings, meticulously crafted in Japan using advanced technology. Engineered for high-performance applications, these piston rings are specifically designed to optimize engine performance in BMW vehicles.

Manufactured in Japan with cutting-edge technology for superior quality
Specifically designed for high-performance applications
Ideal for ensuring peak engine performance in BMW vehicles
Four sets required for a complete engine overhaul

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SuperTech Black Nitrided Exhaust Valve - +1mm Oversize - Single Valv...

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T#:640986

Part#: BMEVN-1031S

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$ 23.99 USD

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Upgraded valves designed for high horsepower applications! Our valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs. With every valve design, we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc. It’s unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere! Optimum high flow rates are achieved by ensuring that our valves are manufactured with the best angles for each application. We consider back cut, under cut and valve head angles for each application to produce the optimum high flow rates for each application. In 2006 we introduced our stem Superfinishing as a standard addition to all of our valves at no additional cost. When our Superfinish is combined with our Black Nitrided valve, it reduces the surface roughness to 1/3 of our chrome coated valve. The end result… unsurpassed performance and durability. Our exhaust valves are made from EV16 (21-8N) or EV8-Nb/w for greater strength at higher temperatures. Black Nitride Coating: This is a hardening treatment that has been steadily growing in popularity over the last several years. These black Nitride coated valves feature harder surfaces and smoother finishes, providing less friction and subsequently longer life. Please see below for more benefits of our Black Nitride valves. Head Diam: 31.50mm Material: Black Nitride Groove Type: Single Groove Length: 105.65mm Stem Diam: 5.95mm Size: 1mm+

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Performance Conical Valve Spring - Sold Each

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T#:21604306

Part#: SPR-FE20BE-2

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$ 20.99 USD

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Supertech has the high performance valvetrain components you need to take your build to the next level. Seat Pressure: 84 @ 37 Open Pressure: 157 @ 10 Max Lift: 12.2mm Coil Bind: 23.20mm OutSpr.ID: 17.60mm InnSpr.OD: 21.00mm InnSpr.ID: 14.20mm Rate: 7.25

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Performance Conical Valve Spring - Sold Each

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T#:21472894

Part#: SPR-FE20BE

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$ 19.99

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$ 18.99 USD

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Supertech has the high performance valvetrain components you need to take your build to the next level. Seat Pressure: 75 @ 37 Open Pressure: 155 @ 10 Max Lift: 12.2mm Coil Bind: 23.20mm Rate: 8 OutSpr.ID: 17.60mm InnSpr.OD: 21.00mm InnSpr.ID: 14.20mm

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Supertech Upgraded Valve Stem Seal Kit - BMW E36 M42 1.8L (09/1992+) ...

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For vehicles with a production date from 09/1992+

T#:641029

Part#: VS-VBM6-M42KT

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$ 18.99 USD

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Includes a full set of polyacrylic intake and viton exhaust valve stem seals! Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track! These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter! Guide OD: 8.8mm/.347" Seal OD: 12.2mm/.480"

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Titanium Retainer - Priced Each

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T#:26171670

Part#: RET-MC56/T1

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$ 19.99

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$ 17.99 USD

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Titanium Performance Retainers for MINI

Upgrade your MINI's performance with these titanium performance retainers, designed to sit at the top of the spring. Crafted from high-quality titanium metal, these retainers offer enhanced durability and strength compared to traditional options. Compatible with OEM springs or SPR-MC56-BE, these retainers are versatile and suitable for various engine setups. For a complete engine replacement, you'll need 16 of these performance retainers.

Benefits:

Enhances MINI's performance
Crafted from high-quality titanium metal
Offers enhanced durability and strength
Versatile compatibility with OEM springs or SPR-MC56-BE
Ideal for engine upgrades and replacements

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Supertech Titanium Valve Retainers - Intake - Sold Each

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T#:21604319

Part#: RET-BMN54-TI

Ships in 8 Business Days

$ 16.99 USD

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7 Degree - 5mm valve stem - Single or Tripe Groove Valves

Supertech Titanium Valve Retainers - Exhaust - Sold Each

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T#:21604320

Part#: RET-BMN54-TE

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$ 16.99 USD

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7 Degree - 6mm valve stem - Single or Tripe Groove Valves

Valve Stem Seal Intake Side - Set Of 8 - BMW MINI B38 B46/48 ...

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T#:14783496

Part#: VSI-BM50-IKT

Ships in 6 Business Days

$ 91.99

This product was last offered at the strikethrough price on
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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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VW-Audi 7mm Exhaust Valve stem seal / Viton (SET OF 12)

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T#:35795472

Part#: VS-VW7E-12

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$ 13.99 USD

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VW-Audi 7mm Exhaust Valve stem seal / Viton (SET OF 10)

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T#:35795473

Part#: VS-VW7E-10

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$ 12.99 USD

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VW-Audi 7mm Exhaust Valve stem seal / Viton (SET OF 8)

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T#:35795474

Part#: VS-VW7E-8

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$ 9.99 USD

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VW-Audi 7mm Exhaust Valve stem seal / Viton (SET OF 6)

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T#:35795475

Part#: VS-VW7E-6

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$ 7.99 USD

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5mm Single groove valve lock conversion

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T#:30330952

Part#: KPR-5.0/7S

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$ 3.99 USD

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5mm Single Groove Valve Keeper - Priced Each

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T#:21604312

Part#: KPR-5.0-7S

Back Ordered

$ 3.99 USD

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Two required per valve, necessary use with certain supertech valves 5.0mm single groove

Single Groove Valve Keeper 6mm - Priced Each

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T#:3268708

Part#: KPR-6S-7

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$ 5.99

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03-04-2026

$ 2.99 USD

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Two required per valve, for use with certain supertech valves 6.0mm single groove

Valve keeper for Audi/BMW/Opel 6mm stem Triple groove - Supertech ...

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T#:26704985

Part#: KPR-VW6-T

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$ 1.99 USD

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Supertech 6mm Exhaust Valve Stem Seal - Viton - BMW S54 S52 S50 M54 M...

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T#:641010

Part#: VS-VBM6E

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$ 1.99 USD

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$ 1.99 USD

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Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track! These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter! Guide OD: 8.8mm/.347" Seal OD: 12.2mm/.480"

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Supertech 6mm Intake Valve Stem Seal - Polyacrylic - BMW S54 S52 S50 ...

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T#:641011

Part#: VS-VBM6I

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$ 1.99 USD

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$ 1.99 USD

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Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track! These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter! Guide OD: 8.8mm/.347" Seal OD: 12.2mm/.480"

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Supertech 7mm Intake Valve Stem Seal - Polyacrylic - BMW S14 S38 ...

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T#:641013

Part#: VS-VW7I

Ships in 4 Business Days

$ 0.99 USD

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Looking to replace your valve stem seals due to leaks, cracks, splits, or even during an upgrade of your camshafts, valve springs, or valves? Supertech valve stem seals are the way to go! This cheap but effective seal replaces the stock BMW seals that are notoriously prone to issues due to heat cycles and chemicals which cause the seals to become weak and brittle. Supertech seals offer a significantly longer life span and are resistant to both heat and chemicals thanks to their use of Viton or Polyacrylic construction (dependant on valve type). That means less time in the garage and more time on the street or track! These seals are also great for anyone who is looking to upgrade to dual valve springs thanks to the seal's overall thinner outer diameter! Guide OD: 9.8mm/.385" Seal OD: 13.2mm/.520"

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