Supertech titanium retainer with a 5.5mm stem and 7° seating angle, listed as SPR-EC2025. Sized and angled to match the EC2025 spring geometry, this retainer is intended for applications requiring a 5.5mm valve stem interface and helps reduce reciprocating mass while ensuring proper keeper engagement and spring seating for compatible assemblies.
Supertech Titanium Retainer 5.5mm Stem 7 Degree SPR-EC2025