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2002-2014 Subaru WRX
2004-2021 Subaru STI
The ATI Super Damper for Subaru EJ engines is engineered to control torsional crankshaft vibrations across all RPM ranges, offering improved engine reliability and performance. Designed for competition or high-performance use, this damper is a direct-fit upgrade that retains OEM belt configuration while meeting strict SFI 18.1 safety standards.
Controls harmful crankshaft harmonics at all RPM levels
5% overdriven design for improved performance response
Retains OEM serpentine belt setup with 4-rib and 5-rib options
Laser-etched timing marks for precise tuning
SFI 18.1 certified for motorsport use
Direct bolt-on replacement for OEM damper
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