Supertech Performance SPRK-TS1015-SU1 Valve Spring and Retainer Kit for Subaru EJ205/EJ255/EJ257

The Supertech Performance SPRK-TS1015-SU1 is a complete valve spring and retainer kit engineered for Subaru EJ205, EJ255, and EJ257 engines. This precision-matched set provides everything needed for a comprehensive valvetrain upgrade, delivering enhanced performance and reliability for modified and high-revving applications.

Kit Includes:

• Dual valve springs (SPR-TS1015) for improved spring pressure and control at high RPM
• Titanium retainers (RET-TS60/WRX1) for reduced valvetrain weight and increased rev capability
• Valve spring seats (SEAT-TS/SUB) for proper spring installation and geometry

Key Features:

• Precision-matched components ensure optimal valvetrain performance
• Dual spring design provides superior valve control and prevents valve float
• Lightweight titanium retainers reduce reciprocating mass
• Engineered specifically for Subaru WRX and STI applications
• Ideal for performance camshafts and high-RPM builds

Supertech valve spring kits are designed for performance enthusiasts demanding the highest quality valvetrain components. Each kit is manufactured to exacting standards and tested to ensure consistent performance under extreme operating conditions. Perfect for turbocharged Subaru builds requiring upgraded valve springs to accommodate aggressive camshaft profiles.