Manley 46925DT-1 Piston Ring Set for Subaru EJ205 WRX/EJ257 STI 92.5mm Bore

The Manley 46925DT-1 is a high-performance piston ring set engineered specifically for Subaru EJ205 WRX and EJ257 WRX STI engines with a 92.5mm bore diameter. This file-fit ring set is designed for precision fitment in performance engine builds and provides excellent sealing characteristics for turbocharged applications.

Key Specifications:

• Ring configuration: 1.2mm top ring / 1.2mm second ring / 2.8mm oil ring
• Bore size: 92.5mm (file-fit design allows for custom bore sizing)
• Single ring set (one piston)
• File-fit design requires careful gap setting for optimal performance
• Manufactured to Manley's strict quality standards for performance applications

Manley Performance piston rings are constructed from premium materials and feature advanced coating technologies to reduce friction and improve durability. The thin 1.2mm compression rings reduce ring drag while maintaining excellent cylinder sealing, making this set ideal for high-performance street and racing applications. File-fit rings allow the engine builder to precisely set end gaps for specific applications and boost levels.

Note: This is a single piston ring set. Multiple sets required for complete engine rebuild. Proper ring gap measurement and filing required during installation.