SKU: 140-18251-R | UPC: 889545126419
Wilwood 1989-1998 Nissan 240SX / 1989-1994 Skyline / 1990-1996 300ZX Aerolite 6R Front Big Brake Kit w/ 14in SLT Rotors – Red
The Wilwood 140-18251-R Aerolite 6R Front Big Brake Kit is a high-performance upgrade for 1989-1998 Nissan 240SX (S13/S14), 1989-1994 Skyline (R32/R33), and 1990-1996 300ZX (Z32) models. This kit features massive 14-inch Superlite slotted rotors paired with powerful 6-piston Aerolite calipers in red powder-coated finish for aggressive stopping power, reduced fade, and improved pedal feel under hard braking. Designed for track, autocross, or spirited street use, the kit delivers shorter stopping distances, better heat dissipation, and consistent modulation. Direct bolt-on design uses factory mounting points no modifications required. Includes all necessary brackets, hardware, and fittings for a complete front brake conversion. Ideal for drift, road racing, or performance builds on these classic Nissan platforms seeking modern braking capability with a bold red aesthetic.
Key Features & Benefits
- 14″ Superlite Slotted Rotors – Excellent heat dissipation and reduced fade with slotted surface for gas evacuation
- 6-Piston Aerolite Calipers – High clamping force for superior stopping power and modulation
- Red Powder-Coated Finish – Aggressive look with durable corrosion resistance
- Direct Bolt-On – Uses factory mounting points; no drilling or knuckle modifications
- Wilwood Engineering – Race-proven design trusted in motorsports worldwide
Specifications
| Specification | Detail |
|---|---|
| Part Number | 140-18251-R |
| Brand | Wilwood |
| Application | 1989-1998 Nissan 240SX / 1989-1994 Skyline / 1990-1996 300ZX (front) |
| Rotor Diameter | 14 inches |
| Rotor Type | Superlite slotted |
| Caliper Type | Aerolite 6-piston |
| Finish | Red powder-coated calipers |
| Installation | Direct bolt-on – factory mounting points |
| Warranty | Wilwood Limited Warranty |
Whats Included
- Pair of 14″ Superlite slotted rotors
- Pair of Aerolite 6-piston red calipers
- All mounting brackets, hardware, pads, and fittings
- Installation instructions
Product Notes
- Significant stopping power upgrade over stock brakes ideal for track or high-performance street use
- Slotted rotors reduce fade and improve wet-weather performance
- Requires compatible wheels (minimum 18″ recommended for clearance)
- Pair with high-performance pads and fluid for complete brake upgrade
- Wilwood leading name in big brake kits for JDM and performance vehicles
Installation Notes
- Estimated time: 2-4 hours (front axle)
- Support vehicle, remove wheels and stock calipers/rotors
- Install Wilwood brackets, rotors, and calipers with included hardware
- Bed-in new pads/rotors per Wilwood procedure
- Professional installation recommended for proper torque and bleeding
This Part Fits
| Year Range | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 1989-1998 | Nissan | 240SX | KA24DE / SR20DET | Front big brake kit – direct fit |
| 1989-1994 | Nissan | Skyline (R32/R33) | RB20/RB25/RB26 | Front big brake kit – direct fit |
| 1990-1996 | Nissan | 300ZX (Z32) | VG30DETT | Front big brake kit – direct fit |
Why Choose Wilwood Aerolite 6R Big Brake Kit?
- Massive 14″ rotors and 6-piston calipers for superior stopping power
- Red finish adds aggressive, race-inspired look
- Direct bolt-on with no knuckle modifications required
- Wilwood trusted in motorsports and JDM performance braking
Frequently Asked Questions
- Q: Will this fit my 1995 Nissan 240SX with SR20DET?
A: Yes direct front fit for 1989-1998 240SX models. - Q: What wheels are required?
A: Minimum 18″ wheels recommended for clearance verify with Wilwood specs. - Q: Are pads included?
A: Yes high-performance pads included; upgrade recommended for track use.
Shipping and Handling
- Method: UPS / FedEx Ground (freight may apply due to size)
- Availability: In stock – ships same or next business day
- Packaging: Secure protective packaging
- Weight: Approx. 50-60 lbs (complete front BBK)






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