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This kit was designed using our in-house FARO arm and an accompanying suite of CAD software
Prevents oil flow out of the valve cover ports based on the lateral forces placed on the car
Lower spring frequency for more precise valve control
boat reverse gears
Radium Engineering DI ECU Mount Kit
Yellow Speed Racing Pro Sport Digressive Series Coilovers - 2015-2021 Subaru WRX / STI PDM_motor-builds This kit was designed usingYellow Speed Racing Pro Sport Digressive Series Coilovers 2015 2021 Subaru WRX STI The Yellow Speed Racing Dynamic Pro Sport is the coilover that covers both ends of the street to track spectrum without forcing you to choose. the Subaru STI Subaru WRX 33 way adjustable damping, pillowball front camber plates, and application matched spring rates give you a setup that handles confidently daily and holds its own at the track. FRONT REAR Spring Rate 8k