This is a height-adjustable coilover suspension kit aimed at owners who want a mix of comfort and performance. It pairs twin-tube dampers from KYB with Tanabe’s PRO210 springs. The setup is tuned for daily drive comfort but also allows a meaningful drop in ride height and improved handling dynamics. It includes an adjustable rear spring to let users tweak rear ride height / balance. Fitment Information Infiniti G35 Base (2003, 2004, 2005, 2006, 2007) Infiniti G35 Journey / Sport (2007) Infiniti G35 X (2004, 2005, 2006, 2007) Nissan 350Z 35th Anniversary Edition (2005) Nissan 350Z Base (2003, 2004, 2005, 2006, 2007) Nissan 350Z Enthusiast (2003, 2004, 2005, 2006, 2007, 2008, 2009) Nissan 350Z Grand Touring (2005, 2006, 2007, 2008, 2009) Nissan 350Z Nismo (2007, 2008) Nissan 350Z Performance (2003, 2004, 2005) Nissan 350Z Touring (2003, 2004, 2005, 2006, 2007, 2008, 2009) Nissan 350Z Track (2003, 2004, 2005, 2006) Specs & Features Ride Height Adjustment (Drop Rate): Front Ride Height Adjustment / Drop Range: Approximately –½ inch to –3 1⁄8 inch from stock for front. Rear Ride Height Adjustment / Drop Range: Approximately –1⁄8 inch to –1 1⁄2 inch (using the adjustable rear spring) for rear. Spring Rates (Front / Rear): 10.0 kg/mm Front / 8.0 kg/mm Rear Twin-tube, low-pressure gas dampers: Smoother ride over bumps, more compliant for daily driving compared to harsher monotube designs. PRO210 springs: Tanabe’s higher quality spring line; designed to maintain performance and durability. Adjustable rear spring (rear height adjustable): Allows you to tune rear ride height independently to balance stance or load. Durable build and mounting hardware: Includes durable spring seats, lock nuts, double-sheet rings, double-plated mounts, etc., for better resilience and long-term use. Reasonable lowering / drop range: Gives a drop in height without compromising too much ride comfort. Product Description The Tanabe Sustec Pro CR Coilover is a cutting-edge suspension system designed to deliver the perfect balance of performance, comfort, and precision. Equipped with advanced KYB dampers, it offers fully adjustable ride height and a twin-tube design, ensuring a direct fit and maximum comfort for every specific vehicle application. Featuring the same high-quality PRO210 springs found in the renowned SUSTEC PRO FIVE Coilover System, the Sustec Pro CR shares the same race-proven technology used in championship vehicles like the Reito MOLA GT-R and Keihin Real Racing HSV-010 in Japan’s JGTC GT500 Class. Built and tested for uncompromising quality, it delivers track-inspired performance you can feel on the street. Redline360 sells only genuine and authentic Tanabe products.