GSC P-D Conical Valve Spring and Titanium Retainer Kit – Toyota G16E (GR Yaris, GR Corolla)
Unlock Maximum RPM Stability & Boost-Safe Valvetrain Control
Designed for high-performance Toyota G16E-GTS engines, the GSC Power-Division Conical Valve Spring and Ti Retainer Kit provides unmatched control under extreme RPM and boost conditions. Whether you're pushing your GR Yaris or GR Corolla on the track or building a 500+ HP monster, this drop-in upgrade gives your engine the valve control it needs.
Featuring ultra-lightweight titanium retainers and conical-shaped valve springs, this kit reduces valve float and ensures precise valve timing even at high RPM — a must for tuned or turbocharged builds.
Features & Benefits:
- ✅ Engineered for Toyota G16E 1.6L turbo engines (GR Corolla & GR Yaris)
- ✅ Conical spring design reduces harmonics & valve float
- ✅ Titanium retainers for reduced valvetrain mass
- ✅ Designed for high-boost, high-RPM applications
- ✅ Race-proven reliability & longevity
- ✅ Drop-in fitment – no machining required
Who Should Use the GSC G16E Valve Spring Kit?
- ✔️ Tuners pushing beyond stock boost or rev limits
- ✔️ GR Corolla and GR Yaris owners upgrading camshafts
- ✔️ Racers who demand rock-solid valvetrain stability at high RPM
Kit Includes:
- 16x Conical Valve Springs
- 16x Lightweight Titanium Retainers
- Precision-engineered for OE fit on G16E-GTS cylinder heads
Why Choose GSC for Your Toyota Build?
GSC Power-Division is trusted by top engine builders and racers worldwide. Their USA-made springs and retainers are known for precision, strength, and consistency under pressure. This G16E kit is the same hardware used on some of the fastest GR platforms in competition today.
Installation Notes:
- Requires standard spring compressor for removal
- Recommended for use with aftermarket cams or high-boost setups
- No head machining required — direct OEM replacement
Frequently Asked Questions
Does this work with OEM G16E camshafts?
Yes, though it’s optimized for upgraded cams and high-RPM applications.
Can I daily drive this setup?
Absolutely. While track-proven, this kit maintains OEM-level reliability with proper tuning.
Is this a full valvetrain kit?
This includes springs and titanium retainers. Valves, seals, and seats are not included.
Build it right. Upgrade to the GSC P-D Valve Spring and Ti Retainer Kit today and take full control of your Toyota G16E engine.
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