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GSC Power-Division Beehive Valve Springs w/ Titanium Retainers | Multiple Subaru Fitments (5043)
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$585.42
$731.56
Supertech Dual Valve Spring and Retainer Kit | 2004-2021 Subaru WRX STI (SPRK-TS1015/SU1)
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$290.70
$306.00
Kelford Cams Spring and Titanium Retainer Kit | 2002-2014 Subaru WRX and 2004-2021 Subaru WRX STI (KVS109-STI-T)
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$1,064.02
$1,477.92
Ferrea 'Drag' Dual Valve Spring Kit | 2004-2021 Subaru STI (KT4019)
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