GSC Power Division Exhaust Valve Guide for Porsche GT3 Cup 996/997 Standard +...

GSC Power Division Exhaust Valve Guide for Porsche GT3 Cup 996/997 Precision-engineered exhaust valve guide designed specifically for Porsche GT3 Cup 996/997 engines. Manufactured by GSC Power Division to meet the demands of racing and high-performance street use. Fitment: Porsche GT3 Cup 996/997 Type: Standard style valve guide with +0.001" outer diameter for improved clearance control Application: Exhaust side — durable construction to withstand elevated temperatures and aggressive cam profiles These guides offer a precise press-fit and consistent valve stem alignment to reduce wear, improve sealing and enhance longevity under race conditions. Ideal for engine builds, rebuilds and performance upgrades where reliability and dimensional accuracy matter. Key benefits: better valve stability, reduced oil consumption risk, consistent valve-to-guide clearance, and straightforward installation. Trust GSC Power Division quality for race-proven components engineered to exacting tolerances for Porsche GT3 Cup performance.