Have Questions?
-
Genuine Parts
Guaranteed Authentic
-
Modification Specialists
Call for assistance
-
Mod Now, Pay Later
Financing Available
-
Save On Delivery
Free shipping on most orders over $199
Tein Flex Z Coilovers - Subaru WRX 2002-2007 / STi 2004
Lease for as low as $/week
TEIN Flex Z Coilover Kit – Part # VSS28-C1SA4-C
Overview
The Flex Z coilover kit brings high-performance design and exceptional value together in a sleek, all-in-one package. Built with TEIN’s Japanese craftsmanship yet priced for affordability, the Flex Z features a sealed twin-tube structure for smooth street ride quality and a ride-height adjustable system that preserves comfort even when lowered. It comes as a complete set of four dampers and springs, making it installed-ready for enthusiasts looking to both enhance handling and refresh suspension.
Key Features
-
Twin-Tube Damper Design
Offers smooth and compliant ride behavior, ideal for daily driving and street use. -
16-Level Damping Adjustment
Lets you dial in ride stiffness with precision via a numbered knob, balancing comfort and responsiveness. -
Full-Length Ride-Height Adjustable System
Allows lowering or raising the vehicle by adjusting the overall case length—not the spring preload—so ride quality remains consistent. -
Comprehensive Kit
Includes four dampers, springs, and upper mounts—everything needed for installation (some models may reuse OEM top mounts). -
Durably Finished Components
Powder-coated damper bodies and zinc-coated threads ensure long-term resistance to wear and corrosion.
Performance Benefits
-
Reduces body roll and suspension wander without sacrificing high-speed stability.
-
Enhances control and steering precision through corners and rough pavement.
-
Delivers a firm but comfortable ride—great for commuting or spirited driving.
Ideal For
-
OEM replacements for worn shocks and struts.
-
Enthusiasts seeking a lowered stance tuned for both street comfort and improved handling.
-
Drivers who want a tunable suspension solution without breaking the bank.
Returns may be accepted within 14 days of purchase pending Return Merchandise Authorization (RMA). No returns or cancellations on special order items. All returns will be charged a 20% restocking fee, no exceptions.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Item must be able to be resold as new.
Several types of goods are exempt from being returned. Hazardous materials, fluids, greases, chemicals, and clothing are not able to return.
Free shipping is available within the lower 48 states for most orders totaling $199 or more. A free shipping option will be available during checkout. This offer is for delivery address in the continental United States and excludes shipments going to Alaska, Hawaii, Military Boxes, and items that require freight shipping.
Processing Time
Patterson Performance stocks a large quantity of items at any given time. Some items may require drop shipping from one of our various distributors. In stock items will ship within 1-2 business days. If you're needing your product quickly, please contact us to verify product availability before placing your order. Orders requiring additional verification (security concerns, incorrect information, etc.) may need additional processing time. Estimated shipping dates are not guaranteed and are subject to change based on inventory levels and manufacturer lead times. Backordered items are shipped immediately once available.
Items ship daily, If the item you ordered is not in stock, a member of our team will contact you via email / phone.
Patterson Performance will only ship to an address that varies from your billing address if payment is made via Paypal or a financing partner.
Patterson Performance ships from multiple warehouses throughout the United States, and sometimes from manufacturers overseas.
You can simply contact us via email / telephone for a live inventory check
Find more information at www.P65Warnings.ca.gov.