Supertech Valve Keeper – Subaru EJ20/EJ25 The Supertech KPR-6T-ST-16 Valve Keepers are engineered to deliver precise valve train control in high-performance Subaru EJ20 and EJ25 engines. These hardened steel locks ensure a secure connection between the valve and retainer, critical in high-RPM and forced induction builds. Ideal for both street and motorsport applications, Supertech valve keepers offer race-proven reliability and compatibility with Supertech valve train components. Key Features Compatible with Subaru EJ20 and EJ25 engines Hardened steel construction for durability Precision fit for optimal valve control Ideal for turbocharged and high-RPM builds Designed to pair with Supertech valves and retainers Technical Specifications Specification Value Part Number KPR-6T-ST-16 Type Valve Keeper / Lock Material Hardened Steel Fitment Subaru EJ20 / EJ25
