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| SKU | GSC2027-8 |
| MPN | 2027-8 |
| GTIN | GSC2027-8 |
| Certifications | None |
| Material | Chrome Polished Super Alloy |
| Color/Finish | Chrome Polished |
Upgrade your engine's performance with the GSC Exhaust Valve Sets +1mm, specifically designed for the 4B11T engine. These valves feature a 30mm head size with an additional 1mm for improved airflow and enhanced power output. Crafted from chrome polished super alloy, they provide exceptional durability and resistance against high temperatures and wear, making them ideal for demanding driving conditions.
Each set includes 8 valves, perfectly engineered for optimal fit and function. The chrome polished finish not only adds a sleek appearance but also contributes to smoother valve operation, reducing friction and improving overall engine efficiency. Whether you are tuning your car for racing or high-performance street use, these exhaust valves deliver reliable performance upgrades.
Manufactured by GSC Power Division, a trusted brand in automotive performance parts, these valves meet strict quality standards to ensure longevity and consistent results. The set is a perfect choice for enthusiasts looking to maintain or improve their engine's breathing capabilities.
This product is categorized under Engine Components, specifically within Valves, making it an essential upgrade for your engine rebuild or modification project.
Experience competitive pricing combined with fast shipping across Europe through Tuningsupply, your go-to source for performance parts without hidden fees. Backed by enthusiast-driven support, these valves come from a company dedicated to delivering quality and building a passionate automotive community.
Customer reviews
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















