PR7563 - Cosworth High Performance Valvetrain - Ultra Race Valve Spring Kits


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Part #: PR7563
Notes: Replacement Valve Cotter/Keeper/Lock (2 per valve)
Your Price: $3.15

All Fitments

SUBARU
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2007 - 2014 IMPREZA WRX STI
WRX STI LIMITED
WRX STI SPECIAL EDITION
H4 2.5 T EJ257 ALL
2015 - 2017 WRX STI ALL H4 2.5 T EJ257 ALL

Product Description

Cosworth Ultra Race Valve Spring Kits are engineered for use in situations that require valve control in extreme conditions. Each kit consists of dual valve springs with matched lightweight titanium retainers, keepers, and hardened steel springs seats. Cosworth Ultra Race Valve Springs are wound from the highest quality chrome silicone steel with chamfered ends and are heat treated and stress relieved for long term reliability. Ultra Race Valve Spring kits are compatible with Cosworth high performance valves.