RS-R 2009+ Infiniti M37 Sport (KY51) Down Springs. N281D
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RS-R 2009+ Infiniti M37 Sport (KY51) Down Springs.
20-25mm / 20-25mm.
Spring Rate (F/R).
8.68kg/mm / 3.67kg/mm.
The RS-R Down Sus provides a lowered stance and improved handling to fulfill your needs to lower your car and improve its handling. Taking into consideration the factory suspension geometry, shock dampening, spring rate and ride height levels, RS-R ensures that the springs you are getting were made for your car both for performance and for comfort.