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Suspension and Components Shocks, Struts, Coil-Overs and Components

Tein

Tein 14+ Lexus IS250 (GSE30L)/IS350 (GSE31L) Street Advance Z Coilovers

$900.00 $855.00 Save $45.00

SKU: T002 GSQ74-91AS2

In Stock
In Stock
Ships by Aug 30
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The TEIN Street Advance Z Coilover Kit is a twin-tube, 16-way adjustable damping system designed for the Lexus IS series, offering a sporty ride, aggressive stance, and ride height adjustment. It features steel construction, powder-coated damper bodies, ZT coated threaded sleeves for corrosion resistance, and requires the reuse of OEM upper mounts. Front spring rates are 448 lbs/in, and rear spring rates are 504 lbs/in.
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Part #: GSQ74-91AS2

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandTein
Part NumberT002 GSQ74-91AS2

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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