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SKU: P418105-21L5GW0
SSR Professor SP4 18x10.5 -21 NR 5x114.3 BP White Wheel for 2003-2009 Nissan 350Z 2003-2007 Infiniti G35 Nissan Silvia S15 (SPECIAL ORDER-NO CANCELLATION)
Equip your ride with the SSR Professor SP4 18x10.5 -21 NR 5x114.3 white wheel designed for performance Nissan and Infiniti models like 350Z G35 and Silvia S15. This flow-formed wheel delivers reduced unsprung weight for sharper handling and quicker acceleration. The aggressive offset creates a flush wide stance perfect for track days or street builds.
Key Features
- Precise Sizing: 18x10.5-inch width paired with -21mm offset pushes wheels outward for maximum track width and tucked appearance on widebody kits
- Bolt Pattern: 5x114.3 PCD directly matches Nissan Silvia S13 S14 S15 350Z 370Z and Infiniti G35 G37 hub patterns
- Flow-Formed Construction: One-piece aluminum wheel spun at high pressure for thin strong barrel walls cutting weight to 21.8 lbs versus cast wheels
- White Finish: Matte white powder coat with clear protective layer resists brake dust road salt and UV damage for long-lasting clean look
- Hub Bore: 73.1mm bore includes hubcentric rings to center perfectly on 66.1mm Nissan Infiniti hubs preventing vibrations
Product Notes
- SPECIAL ORDER item no cancellations or returns once ordered
- Clean wheels before installation to avoid surface damage
- Freight shipping required due to size and weight oversize charges apply
Installation Notes
- Professional installation recommended.
- Fender rolling or camber kits often needed for flush fit on stock fenders
- Use OEM lug nuts or conical seat hardware hub rings included for centering
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2009 | Nissan | 350Z | All |
| 2003-2007 | Infiniti | G35 | Coupe |
| 1999-2002 | Nissan | Silvia | S15 Spec-R |
| 1995-1998 | Nissan | 240SX | S14 All |
| 1989-1994 | Nissan | 240SX | S13 All |
| 2009-2020 | Nissan | 370Z | All |
| 2008-2013 | Infiniti | G37 | Coupe |
Why Choose SSR?
- Backed by decades in Japanese drifting Super GT and Formula Drift racing
- Flow-forming tech mimics forged wheels at cast prices for real-world strength
- Hand-assembled in Japan with dynamic balancing for zero vibration at speed
Frequently Asked Questions
-
Q: Does this wheel bolt on to a stock Nissan 350Z?
A: Bolts on directly with 5x114.3 pattern but -21 offset requires negative camber or fender mods for street-legal flush fit without rubbing -
Q: What material is used in construction?
A: A6061-T6 aluminum alloy flow-formed under 3 tons of pressure for density strength and 21.8 lb weight savings over stock OEM wheels -
Q: What warranty coverage applies?
A: 12-month manufacturer warranty covers structural defects from casting to finish contact SSR for claims with proof of purchase
Shipping & Handling
- Method: Freight carrier dimensional weight applies
- Availability: Special Order - 4-8 week lead time no cancellations
- Packaging: Individual cardboard wheel box 21 x 21 x 23 inches foam protected
- Weight: 21.8 lbs per wheel 25 lbs shipped
SSR
The evolution of wheels should not be outpaced by the evolution of cars. This is our unwavering philosophy since inception. The SSR wheel was born in the circuit to enhance car performance, and since its inception, it has evolved in tandem with the automotive industry. Our wheels meet the highest safety and security standards, addressing our customers' needs with excellence. Quality Control In the 1970s, when SSR launched the MK-Ⅰ, the demand for alloy wheels surged dramatically. In response, the Ministry of Land, Infrastructure and Transport established the JWL standard in 1973 to ensure the safety and security of alloy wheels. Only wheels that pass this rigorous standard bear the JWL mark. In 1981, the independent third-party VIA was established to inspect JWL standards, leading to stricter quality requirements for alloy wheels. SSR wheels comply with the JWL standard (except for the SPEED STAR series). The JWL and VIA marks on our wheels signify that our strength test standards ...
View SSR Products
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