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| SKU | GSC3997.001-1 |
| MPN | 3997.001-1 |
| GTIN | GSC3997.001-1 |
| Certifications | None |
Experience superior performance and durability with the GSC P-D Porsche GT3 Cup 996/997 Intake and Exhaust Valve Guide. Engineered for precision, this Standard Style valve guide is designed to provide excellent wear resistance and enhanced engine reliability, making it an ideal choice for high-performance Porsche engines.
Crafted to exact specifications with a +.001 inch outer diameter, these valve guides ensure a perfect fit and optimal sealing for your cylinder head. Each piece is sold individually, allowing for easy replacement and customization to meet your specific engine needs.
As a part of GSC Power Division's trusted lineup, this valve guide embodies quality craftsmanship and performance-enhancing design. Whether you're upgrading your GT3 Cup car or maintaining your 996 or 997 model, these valve guides deliver the dependability and precision required for motorsport and enthusiast applications.
Install with confidence knowing you are using a product supported by Tuningsupply, your dedicated partner for high-performance automotive parts across Europe. Enjoy competitive pricing, fast shipping, and expert support every step of the way.
Crafted to exact specifications with a +.001 inch outer diameter, these valve guides ensure a perfect fit and optimal sealing for your cylinder head. Each piece is sold individually, allowing for easy replacement and customization to meet your specific engine needs.
As a part of GSC Power Division's trusted lineup, this valve guide embodies quality craftsmanship and performance-enhancing design. Whether you're upgrading your GT3 Cup car or maintaining your 996 or 997 model, these valve guides deliver the dependability and precision required for motorsport and enthusiast applications.
Install with confidence knowing you are using a product supported by Tuningsupply, your dedicated partner for high-performance automotive parts across Europe. Enjoy competitive pricing, fast shipping, and expert support every step of the way.
Customer reviews
Based on 160 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.

















