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SKU: N133D
RS-R 2003-2009 Nissan 350Z (Z33) Down Suspension Springs
RS-R Down Suspension Springs N133D lower the ride height of your 2003-2009 Nissan 350Z Z33 by 1.0 inch front and 1.2 inches rear. These springs fit all Z33 trims from Base to Nismo delivering improved cornering stability and a planted stance. Engineered for daily driving and track use they reduce body roll while preserving comfort over bumps.
Key Features
- Precise Drop Height: Front 25mm rear 30mm drop lowers center of gravity for enhanced traction and visual appeal without compromising suspension travel
- High-Tensile Steel Construction: Forged from SAE 9254V cold-wound steel in Japan for superior strength fatigue resistance and long-lasting performance
- Optimized Spring Rates: Front 5.0 kgf/mm rear 6.0 kgf/mm linear rates provide balanced firmness for spirited driving and responsive feedback
- Anti-Corrosion Finish: Dual-layer powder coating resists rust and road salt ensuring durability in all conditions
- Direct Bolt-On Fit: Designed specifically for Z33 chassis works with OEM struts and shocks for simple upgrade
Product Notes
- Pair with adjustable camber arms after install for proper alignment and tire wear prevention
- Inspect shocks for wear before installation as lowering increases stress on dampers
- Boxed set includes four springs protective sleeves and application stickers
Installation Notes
- Professional installation recommended.
- Use spring compressor tool for safe removal and install of OEM springs
- Fully compatible with OEM or aftermarket shocks no additional hardware needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2006 | Nissan | 350Z | Track |
| 2005 | Nissan | 350Z | 35th Anniversary Edition |
| 2003-2008 | Nissan | 350Z | Base |
| 2003-2009 | Nissan | 350Z | Enthusiast |
| 2005-2009 | Nissan | 350Z | Grand Touring |
| 2007-2008 | Nissan | 350Z | Nismo |
| 2003-2005 | Nissan | 350Z | Performance |
| 2003-2009 | Nissan | 350Z | Touring |
Why Choose RS-R?
- Japanese brand founded in 1994 with motorsport heritage in Super Taikyu racing
- Each spring set dyno-tested for consistent rates and load handling
- Model-specific engineering ensures perfect balance of drop ride and grip
Frequently Asked Questions
-
Q: Will these fit my 2006 350Z Enthusiast with stock suspension?
A: Yes N133D fits all 2003-2009 Z33 models including Enthusiast. Direct replacement for OEM springs no modifications required. -
Q: What material are the springs made from?
A: High-tensile SAE 9254V steel cold-wound and heat-treated for maximum durability and progressive response under load. -
Q: What is the warranty and install time?
A: One-year manufacturer defect warranty. Install takes 2-4 hours per corner with lift and spring tools professional shop advised.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure cardboard box 16in x 16in x 6in
- Weight: 25 lbs
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