EJ257 / EJ255 Valve Spring & Titanium Retainer Kit – Increased RPM & Boost

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Description

EJ257 / EJ255 Valve Spring & Titanium Retainer Kit – Increased RPM & BoostUpgrade your Subaru EJ257 or EJ255 engine with this Single Valve Spring & Titanium Retainer Kit. Increased spring pressure and reduced weight allow for higher RPM and boost levels without valve float. Features: High quality, performance designed valve springs Lightweight titanium retainers for reduced valvetrain mass Enables safe operation at higher RPMs Supports aggressive camshafts and increased boost pressure

Properly matched fuel system and valvetrain components

Cut ring machining for big boost head gaskets

No cutting or permanent modifications required

Silicon-based beading is applied on critical areas to improve sealing around all cooling water and oil passages

Material: Forged

Important: 2-4 weeks additional lead time for pocket porting

These rails offer improved flow

TGV harness/TGV sensor and included Ethanol Sensor

Wrist Pins Included: Yes

Improved throttle response and reduced turbo lag

Radium fuel filter mount Bracket

Designed for high-horsepower street and track applications