ATI Super Damper Crank Pulley for EJ205 EJ257 Fits Subaru WRX Sti

Description

ATI Super Damper Crank Pulley for Subaru EJ205/EJ257 WRX STI – Part #917991

Upgrade your Subaru WRX STI’s engine protection and performance with the ATI Super Damper crank pulley, designed specifically for EJ20, EJ22, and EJ25 engines. Unlike basic underdrive pulleys, the ATI Super Damper effectively eliminates torsional crankshaft vibrations across all RPM ranges, safeguarding your high-performance engine from damaging harmonics.

✅ Key Features:

• Designed exclusively for Subaru EJ205 and EJ257 engines (WRX/STI)

• Eliminates harmful torsional crankshaft vibrations for engine longevity

• Dual four-groove serpentine belt drive maintains factory belt setup

• Laser-etched timing marks for precise tuning

• Black zinc chromate finish for corrosion resistance and durability

• Meets and exceeds SFI 18.1 safety certification — approved for competition use

• Complete kit includes hub, outer shell, inertia ring, and bolt kit

• Direct OEM replacement with minor timing cover trimming possibly required for fitment

🔧 Why Choose ATI Super Damper?

• Protects your engine from harmful vibrations and potential damage

• Maintains factory belt routing and accessory functionality

• Ideal for street, track, and competition applications

• Precision engineered for maximum durability and performance

📦 What’s Included:

• ATI Super Damper Crank Pulley Assembly (Hub, Outer Shell, Inertia Ring)

• Bolt Kit for installation

• Laser-etched timing marks

Ensure your Subaru’s engine runs smoother and lasts longer with the ATI Super Damper — the trusted choice for enthusiasts and racers alike.

🚚 Fast Shipping | Genuine ATI Product | Satisfaction Guaranteed