SKU: 140-18271-R | UPC: 889545126761
Wilwood 1989-1998 Nissan 240SX FNSL4R/MC4 Rear Parking Big Brake Kit w/ 13.50in Slotted Rotors – Red
The Wilwood 140-18271-R FNSL4R/MC4 Rear Parking Big Brake Kit is a high-performance upgrade for 1989-1998 Nissan 240SX (S13/S14) models. This kit features 13.50-inch Superlite slotted rotors paired with 4-piston FNSL4R calipers in red powder-coated finish, including integrated mechanical parking brake (MC4) for full street legality and convenience. Designed for track, drift, 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, flexlines, and fittings for a complete rear brake conversion with parking brake functionality. Ideal for 240SX owners seeking modern braking capability with a bold red aesthetic while retaining parking brake operation.
Key Features & Benefits
- 13.50″ Superlite Slotted Rotors – Excellent heat dissipation and reduced fade with slotted surface for gas evacuation
- 4-Piston FNSL4R Calipers – High clamping force with integrated MC4 mechanical parking brake
- Red Powder-Coated Finish – Aggressive look with durable corrosion resistance
- Included Flexlines – Braided stainless lines for improved pedal feel and reliability
- Wilwood Engineering – Race-proven design trusted in motorsports worldwide
| Specification | Detail |
|---|---|
| Part Number | 140-18271-R |
| Brand | Wilwood |
| Application | 1989-1998 Nissan 240SX (S13/S14) |
| Rotor Diameter | 13.50 inches |
| Rotor Type | Superlite slotted |
| Caliper Type | FNSL4R 4-piston with MC4 parking brake |
| Finish | Red powder-coated calipers |
| Installation | Direct bolt-on – factory mounting points |
| Warranty | Wilwood Limited Warranty |
Whats Included
- Pair of 13.50″ Superlite slotted rotors
- Pair of FNSL4R 4-piston red calipers with MC4 parking brake
- Braided stainless flexlines
- 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
- Retains factory parking brake functionality with MC4 calipers
- Requires compatible wheels (minimum 17″ recommended for clearance)
- Wilwood leading name in big brake kits for JDM and performance vehicles
Installation Notes
- Estimated time: 2-4 hours (rear axle)
- Support vehicle, remove wheels and stock calipers/rotors
- Install Wilwood brackets, rotors, calipers, and flexlines 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 (S13/S14) | KA24DE / SR20DET | Rear big brake kit with parking brake – 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?
A: Yes, direct rear fit for 1989-1998 240SX models with parking brake function. - Q: What wheels are required?
A: Minimum 17″ 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 rear BBK)
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