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Description
Ferrea Nissan RB26 34.6mm 5.98mm 102.33mm 20 Deg S-Flo Radial Grv Stk Comp Plus Int Valve- Set of 12Upgrade your Nissan RB26 engine with the Ferrea Comp Plus Intake Valves, designed for high performance and reliability. Each valve in this set of 12 features precise engineering with a diameter of 34. 6mm and a stem diameter of 5. 98mm, tailored for optimum flow and durability. The overall length of 102. 33mm ensures perfect compatibility with your engine setup, while the 20 degree seat angle guarantees an excellent seal and efficient airflow. Crafted
Upgrade your Nissan RB26 engine with the Ferrea Comp Plus Intake Valves, designed for high performance and reliability. Each valve in this set of 12 features precise engineering with a diameter of 34.6mm and a stem diameter of 5.98mm, tailored for optimum flow and durability. The overall length of 102.33mm ensures perfect compatibility with your engine setup, while the 20-degree seat angle guarantees an excellent seal and efficient airflow. Crafted with Ferrea's signature S-Flo Radial Groove technology, these stock competition plus intake valves enhance your engine's breathing capabilities for increased power and responsiveness.Ideal for enthusiasts and professional builders who demand quality and performance, these valves deliver consistent results track after track. Manufactured under strict quality control standards, they offer longevity and strength necessary for high-revving engines. Experience improved throttle response and engine efficiency with these premium intake valves, a perfect upgrade for motorsport applications and spirited driving.
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.1 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 1
shocking Not worth the money
Size: 9, Color: Black Grainy, Size: 9, Color: Black Grainy
The shoe has been used for less than a month, the truth is it is comfortable and beautiful but in less than a month it tore!!!! This does not make sense I contacted the seller he did not treat me shame and disgrace I will never order again
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Reviewed in the United States on December 1, 2024
★★★★★ 5
Marc Joseph's Shoe 👞
Size: 8, Color: Tan Napa
Marc Joseph's Shoe 👞: I ordered a size 8 for my husband. He wears socks with his shoes. It’s a little tight slipping on. Other than that, the shoe is very comfortable. My husband grabs them all the time because they are so comfortable.
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Reviewed in the United States on July 20, 2025
★★★★★ 5
Very Comfortable
Size: 10.5, Color: Black Grainy
This slip on is superb. Very comfortable, light, quality material that makes it great for all day wear and driving around experience
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Reviewed in the United States on June 12, 2025
★★★★★ 3
Quality Shoe, but slight design issue
Size: 10, Color: Tan Napa, Size: 10, Color: Tan Napa
I like the way these fit and feel. I normally wear a size 10, and these are a 10. Very comfortable to walk in. I think they're stylish enough to wear with jeans or chinos. The leather is nice quality. However, the issue I am noticing, only a few days into wearing these (I've worn 3 times) is that the bottom material doesn't come forward far enough. The tip of the shoe juts out and as you walk the tip rolls forward on to the ground surface and is wearing away at the leather. I mean, I've only wore these 3 times and I am getting major concerns about their durability. I would choose another shoe if I could go back, as these are an indoor shoe only as they're currently designed.
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Reviewed in the United States on October 29, 2024
★★★★★ 4
Nice looking
Size: 11, Color: Cognac Grainy
I normally wear an 11.5 (including other Marc Jacob’s- including this make from 2024). The shoes are a pretty soft leather. I had to return for a size 11 which feels slightly tight but now, through experience, I know will stretch. I wear these shoes almost every day in black or brown They look great. Note, these shoes (because all leather) wear out relatively quickly, especially the front. I keep a fake leather Pair (almost identical looking) which are not nearly as comfortable (I don’t take walks in them) but look better for dinners etc.
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Reviewed in the United States on October 22, 2025