H&R 2011 Porsche Boxster Spyder Sport Spring - 28905-1 fits_2004-2009`Lexus`RX330 SL320 or SL500

SL320 or SL500

Please measure & select vehicles OEM front strut diameter

CTEK Accessory - Comfort Indicator Clamps

Rear strut is Sustech Inverted Design

H&R 2011 Porsche Boxster Spyder Sport Spring - 28905-1 fits_2004-2009`Lexus`RX330 SL320 or SL500Sport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicle's