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Manley Subaru WRX/STi Valve Spring and Retainer Kit (w/o Valve Locks) (16 each)
$473.99
Manley Performance Valve spring and Retainer Kits take the guess work out of making your valvetrain race-ready. Engineered for maximum durability, stability, and precision in high-performance and racing applications, these chrome-silicon alloy springs provide exceptional...