Subaru OEM Valve Spring Subaru WRX / STI / Baja / Forester XT / Impreza / Legacy GT / Outback XT | 13217AA251

Overview

The Genuine Subaru OEM Valve Spring (Part #13217AA251) is an exact-fit factory replacement component for the engine valvetrain on select Subaru turbocharged models. Designed and manufactured to Subaru's precise engineering standards, this valve spring ensures proper valve operation, consistent compression, and long-term engine reliability. It is the ideal solution for enthusiasts and technicians seeking a direct OEM replacement during engine rebuilds, head gasket service, or valvetrain reconditioning on the EJ-series engine platform.

Key Features & Benefits

• Genuine Subaru OEM Part – Manufactured to exact factory specifications, guaranteeing a precise fit and function without modification or adjustment.
• Correct Spring Rate & Tension – Engineered to maintain proper valve seating pressure and lift characteristics as specified for the EJ-series turbocharged engine, supporting reliable operation under high-performance conditions.
• Superior Material Quality – Produced from high-grade spring steel to Subaru's metallurgical standards, offering resistance to fatigue, heat, and wear over extended service life.
• Direct OEM Replacement – Replaces worn, fatigued, or broken valve springs with a component identical to what was installed at the factory — no guesswork, no compatibility concerns.
• Factory Warranty Coverage – Backed by Subaru's genuine parts warranty, providing confidence and peace of mind with every installation.
• Essential for Engine Rebuilds – A critical component during cylinder head reconditioning, head gasket replacement, or full engine rebuilds on WRX, STI, and Forester XT platforms.

What's Included

• 1x Genuine Subaru OEM Valve Spring – Part #13217AA251

Specifications

Fitment & Compatibility

This valve spring is compatible with the following Genuine Subaru vehicles equipped with EJ-series turbocharged engines:

Always verify your specific vehicle's VIN and engine code before ordering to confirm exact fitment.

Installation

Valve spring replacement requires removal and disassembly of the cylinder head and is recommended for experienced technicians or professional mechanics. Ensure all related gaskets, seals, and hardware are inspected and replaced as needed during installation.