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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
Supertech Nissan RB25 Black Nitrided Intake Valve - +1mm Oversize - Set of 12Experience enhanced performance and durability with the Supertech Nissan RB25 Intake Valves. These black nitrided intake valves are designed for the serious tuner looking to upgrade their engine components for maximum efficiency and power output. Each set includes 12 valves, perfectly sized at +1mm oversize to increase airflow and optimize combustion. Crafted with precision and treated with a durable black nitriding process, these intake valves offer
Experience enhanced performance and durability with the Supertech Nissan RB25 Intake Valves. These black nitrided intake valves are designed for the serious tuner looking to upgrade their engine components for maximum efficiency and power output. Each set includes 12 valves, perfectly sized at +1mm oversize to increase airflow and optimize combustion.Crafted with precision and treated with a durable black nitriding process, these intake valves offer improved resistance to wear and heat, making them ideal for high-performance applications. Compatible with Nissan RB25 engines, they provide a reliable upgrade for both street and track use.
Whether you are building a race-ready engine or enhancing your daily driver, these Supertech intake valves ensure that your engine breathes better, operates smoother, and performs stronger. Trust in quality engineering and enjoy quick delivery with Tuningsupply, Europe’s trusted supplier for tuning and performance parts.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.5 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Impressive quality
Color: Dark Brown
I'm impressed with the quality at this low cost.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
My favorite wallet
Good quality. Solid design, expertly crafted.
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Reviewed in the United States on November 4, 2025
★★★★★ 2
Does not block RFID scanners
Does not block RFID scanners. I literally scan my badge into work every day through it. Other than that, they are nice wallets, but only last about 3 years before the leather starts crumbling off. This is the second one I have bought.
2 Stars because they only last about 3 years and does not block RFID scanning as advertised.
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Reviewed in the United States on July 10, 2025
★★★★★ 5
2nd time purchase in 7 years.10 stars!
This wallet design is fantastic. Compact, front or back pocket use. Has a ton of storage even though it doesn't look it. Last one lasted 7 years of abuse and use. I ordered 2 in case these never get made again. Grab one, best wallet and real durable leather, not fake leather.
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Reviewed in the United States on December 3, 2025
★★★★★ 5
Great wallet
Size: One Size, Color: Black (Money Clip)
Doesn't disappoint. Stays firm and strong as brand new.
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Reviewed in the United States on January 25, 2026