Wilwood Forged Narrow Superlite 4R Big Brake Rear Electronic Parking Brake Kit
Forged Narrow Superlite 4R Rear Electronic Parking Brake Kits provide the ultimate Big Brake solution for popular muscle car rear axles that require a parking brake. FNSL4R four piston calipers, 13” or 14” two-piece rotors, and high performance BP-10 compound pads provide optimized and balanced braking to compliment front big brake upgrades on all types of custom, show and high performance street machines. The unique Electronic Parking Brake caliper provides a static high torque static holding power for parking without mechanical cabling. Supplied with control unit and harness assembly, it simplifies installation and use. Optional caliper finishes and rotor designs enable the builder to personalize the style and optimize brake performance for every individual application.
Documents
What's Included
Wilwood's application data lists these main components for this kit:
- Calipers: Forged Narrow Superlite 4R, 120-11782-RD
- Rotors: SRP Drilled Rotor, 12.88" x 1.1", 160-13544-BK / 160-13543-BK
- Pads: pad type 7416, BP-10 compound, 150-8855K
Specifications
Fitment
Wilwood's application data for this kit.
| Minimum wheel diameter | 17" |
| Position | Rear Kit |
| Years | Make | Model | Details |
|---|---|---|---|
| 1971-1974, 1987-1991 | Chevrolet | Blazer | 4 x 4 |
| 1975-1986 | Chevrolet | K10 | 4 x 4 |
| 1975-1986 | Chevrolet | K10 Suburban | 4 x 4 |
| 1975-1986 | Chevrolet | K5 Blazer | 4 x 4 |
| 1971-1991 | GMC | Jimmy | 4 x 4 |
| 1975-1978 | GMC | K15 Suburban | 4 x 4 |
| 1971-1974 | GMC | K15/K1500 Pickup | 4 x 4 |
| 1971-1974 | GMC | K15/K1500 Suburban | 4 x 4 |
| 1980-1986 | GMC | K1500 Suburban | 4 x 4 |
| 1979 | GMC | K1500 Suburban | 4 x 4 |
| 1979-1986 | GMC | K1500 | 4 x 4 |
| 1975-1978 | GMC | K15 | 4 x 4 |
Parts in This Kit and Recommended Lines
Frequently Asked Questions
Tap a question to see the answer.
What vehicles does this kit fit?
See the Fitment section above for Wilwood's application list for this kit.
What is the smallest wheel this kit fits?
Wilwood lists a minimum wheel diameter of 17".
Which wheel bolt pattern does it use?
Wilwood lists 6 x 5.5".
What replacement pads does it take?
Pad type 7416. The kit is listed with BP-10 pads, 150-8855K.
How much does it weigh?
Wilwood lists the package weight at 70 lb.
Are installation instructions available?
Yes. Wilwood's installation instructions are in the Documents section above.
Not sure this is the right kit for your vehicle? Send us a message.
Always confirm your vehicle, spindles and wheel clearance before you order.
WARNING: This product can expose you to chemicals including Arsenic, Cadmium, Chromium (Hexavalent compounds), Lead, Nickel, Cobalt and Antimony Trioxide which are known to the State of California to cause cancer or other reproductive harm. For more information go to www.p65warnings.ca.gov.