1KD Upgraded Valve Springs

Performance Valve Spring Set for 1KD-FTV & 2KD-FTV Engines

Step up your 1KD or 2KD build with these high-performance upgraded valve springs — engineered for high boost, high RPM, and reliable valvetrain control.

Specs & Performance:

• ✅ Installed Pressure: 19.05 kg @ 34.29 mm – +40% over OEM
• ✅ Open Pressure: 34.01 kg @ 25.4 mm – +37% over OEM
• ✅ Spring Profile: 7 coils, 2.9mm thick, anti-clockwise
• ✅ Inner Diameter (ID): 17.8 mm
• ✅ Outer Diameter (OD): 23.65 mm

Perfect for tuned setups, oversized cams, and high boost diesel builds needing reliable valve control under pressure.

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