Tein Street Basis Z Coilover Kit Acura TSX 2004-2008

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Part #: GSB48-81SS2

Tein Street Basis dampers are an evolution of the popular Basic coilover featuring updated internal components and external coatings for increased durability and performance. Made in Japan under strict quality control standards and developed by highly trained suspension engineers, Tein's new Street Basis coilovers for the 04-08 Acura TSX are an entry-level setup that feature ride-height adjustment but do not offer adjustable shock damping. Street Basis are valved for street use and are an affordable, balanced solution to purchasing shocks and springs or sleeve-type coilovers. Street Basis coilovers are a complete twin-tube design setup, they offer increased stroke over a stock-type setup or spring and shock package, which increases shock life and prevents the 'bottoming out' associated with traditional lowering springs. This kit is also completely rebuildable, making it a suitable long-term solution for most styles of performance street driving.


  • Spring Rate (lb/in):F: 8kg/mm, 448lb/in R: 4kg/mm, 224lb/in
  • Adjustment Range: F: -0.2" to -3.5 / R: -0.2" to -2.4"
  • Adjustability: height only
  • Upper Mounts: reuse stock
  • EDFC Compatibility: no


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 Street Basis Z Coilover Kit Acura TSX 2004-2008
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