Description
Overview
Upgrade your engine’s valvetrain reliability with the GSC Power-Division GR Corolla Viton Valve Stem Seals (GSC1032) — a high-performance replacement set engineered for the turbocharged 1.6 L G16E-GTS engine found in the Toyota GR Corolla (GZEA14).
Viton’s superior thermal and chemical resilience is a common upgrade choice among performance enthusiasts who push boosted engines harder than stock conditions allow. These seals maintain a tighter seal through extreme temperature cycles and higher RPM operation — ideal for track use, performance tuning, or simply extending service intervals over OEM parts.
Key Features:
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Durable Viton Construction: Made from premium Viton fluoroelastomer, these valve stem seals deliver significantly improved resistance to heat, oil breakdown, and long-term wear compared with many OEM rubber seals — especially important in turbocharged and tuned engines.
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Direct OEM Fit: Designed to match the stock 5.5 mm valve stem diameter for a direct replacement — no modification required.
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Complete Set: Comes as a set of 12 seals (sufficient for intake and exhaust side on a 3-valve head).
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Enhanced Performance Reliability: Helps control oil from migrating past the valve stems into the combustion chamber, reducing smoking, oil consumption, and premature seal failure in high-stress conditions.
Compatibility
- 2023+ GR Corolla
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