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understeering/oversteering can be controlled by adjusting front/rear damping force separately
PERRIN Performance warrants to the original purchaser
Upgraded high-quality carbon fiber pads to keep your wheels looking great without sacraficing any of the function
Cusco's original groove cut technology for improved efficiency on the clutch plates
GSC Power-Division Single Beehive Valve Spring Set w/ Titanium Retainers - Subaru Models (inc. 2002-2014 WRX / 2004-2021 STI) PDM_brake-upgrade-kits understeering/oversteering can be controlled byThe Single Beehive Valve Spring Set with Titanium Retainers will allow the Subaru STI to reach the upper RPM range. GSC Power Division Single Beehive Valve Spring Set w Titanium Retainers Specs: Allows you to rev faster Lighter components More durable design and construction Less stress on valvetrain components Lower spring frequency for more precise valve control. More valve control equals more aggressive cam profiles All of these items help to