Tein H.Tech Lowering Springs Nissan 350Z 2003-2009 / Infiniti G35 2003-2007 / G37 Coupe 2008-2013

6 In stock
Suspension Lowering Springs

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Tein H. Tech springs utilize the latest spring and material technology to optimize comfort, performance, and quality. Designed and tested in North America to be used in conjunction with OEM or similar shocks for excellent ride comfort and slightly increased handling. The line is produced with Vanadium (SAE9254V), which is durable, lightweight, and has properties to retain more spring stroke. H. Tech springs are designed for those seeking a slightly lowered stance while maintaining ride quality at a reasonable price.


  • 350Z Drop: Front -0.3in/Rear -0.3in
  • G35 Coupe Drop: Front -0.6in/Rear -0.3in
  • G35 Sedan Drop: Front -1.4in/Rear -0.7in
  • G37 Coupe Drop: F -1.5in /R -1.1in
  • G37 Coupe Spring Rate: F 325lb/in /R 263lb/in

H. Tech springs vary depending on model and body style, please choose carefully when ordering.

Infiniti G35 Coupe 2003-2008
Infiniti G35 Sedan 2003-2006
Nissan 350Z 2003-2008


Any returns for an exchange or refund will be allowed within 30 days from the receipt of your order and must be authorized prior to shipping with an RMA Number (Return Merchandise Authorization). To receive your return instructions and RMA# please use our online form under Returns and Exchanges! Once you receive your return instructions please ship out the item at your earliest convenience and provide the tracking number to your customer service rep. The customer will be responsible for all shipping fees. Before shipping your product back please make sure you package it up exactly how you received it and in all of its original packaging. All items must be in brand new and resalable condition. Once the item is received it will be inspected and a credit will be issued accordingly. All returns are subject to a 15% restocking fee. Any returns received without an RMA# will be charged a restocking fee and any shipping fees associated with the return. An item that does not ship directly from IIR's warehouse is considered a "special order" item and no returns will be authorized.

Tein H.Tech Lowering Springs Nissan 350Z 2003-2009 / Infiniti G35 2003-2007 / G37 Coupe 2008-2013
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