Product Details
The Stance D1 Spec Coilovers are a drift-optimized evolution of our XR1 platform—hand-assembled in Chicago and tuned specifically for the 2003-2009 Nissan 350Z (Z33). Developed with input from top-level drivers, these coilovers are engineered for high-performance driving, competitive drifting, and serious track use.
Whether you’re new to motorsports or chasing a podium, we offer personalized suspension consultations to eliminate the guesswork and help you get dialed in for your driving style.
Purpose-Built for Drifting
D1 Spec coilovers feature custom digressive valving and extended-stroke dampers to deliver the perfect balance of grip, traction, and feedback. By controlling the rate of torque and weight transfer, this setup helps maintain rear tire contact—crucial for drifting and high-speed transitions.
Inverted Monotube Design
Built around a 45mm inverted monotube damper, the D1 Spec offers superior lateral rigidity compared to standard upright designs. This ensures consistent damping under load, better steering response, and longer component life—even during prolonged drift sessions.
Durability That Dominates
Every D1 Spec coilover is treated with Stance’s dual-layer corrosion-resistant coating—zinc-plated and electrophoretically sealed—to withstand harsh track environments. Reinforced brackets, chromoly piston rods, and high-strength bushings ensure unmatched reliability.
Fully Adjustable Performance
With 16 levels of precise damping adjustment, a separately adjustable lower mount, and ride-height independent spring preload, the D1 Spec offers full tuning control without sacrificing comfort or performance. Fine-tune your setup for the street, track, or competition.
Key Features
- Assembled in the USA – Made to order at Stance's Chicago facility
- Dyno-Tested for Consistency – Every damper is verified before shipping
- High-Performance Suspension Upgrade – Designed for drift, street, and track use
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Custom Valved Dampers – Tailored per application with digressive tuning
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Extra Long Stroke Design – Improves traction, response, and control
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45mm Inverted Monotube Struts – Superior rigidity over upright designs
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Dynamic Valving – Ensures grip under low-speed maneuvers and compliance over bumps
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Optional SWIFT Springs – Upgrade for reduced weight and sharper response
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Bearing Spring Seats & Helper Springs – Maintain preload and improve motion
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Reinforced Lower Brackets – Engineered to handle high lateral loads
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Corrosion-Resistant Coating – Dual-layer Zinc + Electrophoretic finish
- 16-Way Adjustable Dampers – Clickable tuning to fine-tune setup
Specifications
| Part Number | ST-D1Z33-XR1 |
| Part Name | XR1 D1 Spec Coilovers |
| Vehicle | 2003-2009 Nissan 350Z |
| Chassis Code | Z33 |
| Spring Rate - Front (Kg/mm) | Custom |
| Spring Rate - Rear (Kg/mm) | Custom |
| Upper Mounts - Front | Pillowball Bushings |
| Upper Mounts - Rear | Rubber Bushings |
| Damper/Spring Assembly - Front | True Coilover |
| Damper/Spring Assembly - Rear | True Coilover |
| Inverted Monotube - Front | Upright |
| Inverted Monotube - Rear | Upright |
| Helper Springs - Front | Optional |
| Helper Springs - Rear | Optional |
Vehicle Fitment
- 2003 Nissan 350Z (Z33)
- 2004 Nissan 350Z (Z33)
- 2005 Nissan 350Z (Z33)
- 2006 Nissan 350Z (Z33)
- 2007 Nissan 350Z (Z33)
- 2008 Nissan 350Z (Z33)
- 2009 Nissan 350Z (Z33)