Supertech Performance RET-TS60-STi Titanium Valve Spring Retainer - for SPR-TS1015

The Supertech Performance RET-TS60-STi is a precision-machined titanium valve spring retainer engineered specifically for use with the Supertech SPR-TS1015 valve spring in Subaru WRX STi applications. Designed as a direct replacement and performance upgrade over OEM steel retainers, this titanium retainer delivers significant weight savings at the top of the valvetrain, reducing reciprocating mass and enabling higher RPM capability without compromising reliability.

Key Features:

• Precision-machined from aerospace-grade titanium for maximum strength-to-weight ratio
• Significantly lighter than OEM steel retainers, reducing valvetrain reciprocating mass
• Engineered to mate directly with the Supertech SPR-TS1015 dual valve spring
• Improves high-RPM valve control and reduces valve float potential
• CNC-machined to tight tolerances for consistent, reliable fit and seat
• Compatible with Subaru STi valvetrain geometry
• Corrosion-resistant titanium construction for long service life

Supertech Performance titanium retainers are a popular choice for high-performance street builds, time attack, and motorsport applications where every gram of rotating and reciprocating mass matters. Sold individually — order the correct quantity for your application.