Click to zoom in
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
Lowering Springs
Shop lowering springs from Eibach, H&R, Swift Springs, RS-R, UMI Performance, MaxTrac, aFe Control, Ford Racing, Whiteline, Vogtland, ST Suspensions, Belltech, Skyjacker, and Black Ops Auto Works. Find sport lowering springs, Pro-Kit springs, Sportline springs, Spec-R springs, Super Sport springs, Race springs, Down Sus springs, adjustable lowering springs, SUV lowering springs, truck lowering springs, and EV lowering springs for street cars, muscle cars, sport compacts, European performance platforms, SUVs, trucks, and modern EV builds. Lowering springs are the simplest way to drop a vehicle’s ride height. They keep the OE shocks, upper mounts, and suspension geometry components in place and swap only the coil springs for shorter, progressively- or linearly-wound performance springs. Shop by vehicle year, make, model, trim, drop height, spring type (progressive vs linear), and application (street, show, mild-handling, SUV, EV, truck). Lowering springs are the correct choice...
View Lowering Springs Products
RS-R
RS-R parts and accessories RS-R lowering springs and coilovers for Civic, Type R, WRX STI, Lexus IS, GS, RC, Toyota GR86, Corolla and Nissan platforms are stocked at Black Ops Auto Works. Shop Down Sus, Super Down, Ti2000, Best-I and Sports-I suspension systems for a purposeful stance and fitment focused handling. RS-R specializes in Japanese engineered springs and coilovers for Honda, Acura, Toyota, Lexus, Subaru, Nissan, Mazda, Hyundai and Kia applications. This collection carries 176 RS-R SKUs across lowering springs, active coilovers, fixed coilovers and suspension components. Every product is filterable by year, make, model, trim, engine and drivetrain so the correct part ships the first time. What RS-R Suspension Covers RS-R provides vehicle specific spring and coilover solutions for modern Japanese and Asian platforms. Each product is application driven, with spring rate, chassis code and drivetrain details that matter to the final fit. Down Sus and Super Down springs Dow...
View RS-R Products
Suspension
Suspension parts and complete kits for cars, trucks, SUVs, Jeeps, and off-road builds are stocked at Black Ops Auto Works. Shop coilovers, lowering springs, lift kits, leveling kits, shocks and struts, sway bars, control arms, tie rods, ball joints, bushings, chassis bracing, alignment hardware, air suspension, and complete stage kits from Bilstein, KW, Ohlins, Fox, KING, ICON, BC Racing, Silvers, Eibach, H&R, Swift Springs, Whiteline, Energy Suspension, Moog, SPC Performance, Rough Country, ReadyLIFT, BDS, Skyjacker, Air Lift, Firestone, and Black Ops Auto Works. Start with a matched shock and spring package or a full coilover kit, then layer in sway bars, chassis bracing, and camber adjustment hardware. Every part is filterable by year, make, model, trim, and drivetrain to confirm fitment before ordering. What This Category Covers Suspension is the highest-leverage handling upgrade on any vehicle. A properly matched shock, spring, and sway bar package produces measurable i...
View Suspension Products