Overview
Wilwood Superlite 4R Rear Drum-to-Disc Brake Kits
Upgrading the brakes on older trucks makes them safer with improved stopping power. Wilwood’s new Forged Superlite 4R rear drum-to-disc conversion kits for select Chevy and GMC trucks and SUVs are one of the best upgrades for overall braking performance. You’ll experience more brake clamping force, thermal capacity, improved pedal feel, and confidence–from daily street performance to heavy-use applications, including towing, hauling, commercial workloads, and off-road. Kits include internal parking brake assemblies. Rotors are available with a solid or cross-drilled/slotted surface.
Kits feature:
* Complete bolt-on installation using Wilwood’s decades of experience in performance, off-road, and competitive motorsports
* Compatible with Wilwood front kits, factory ABS systems and OE master cylinder
— Calipers: Superlite
• 12.88 in. and 14.00 in. rear kits feature Wilwood’s motorsports-proven rigid Superlite four piston calipers
* Stainless steel pistons are housed in Type-III hard anodized bores with high-temperature seals for durability
* Internal drum parking brakes retain OE feature
— Rotors: ULHP, Spec37 GT or SRP Drilled
• 12.88 in. x 1.10 in. kit features Spec37 two-piece rotors with 48 curved vanes are E-coated in GT slotted or SRP drilled and slotted
• 14.00 in. x 1.10 in. kit features Spec37 two-piece rotors with 72 curved vanes are E-coated in GT slotted or SRP drilled and slotted
— Brake pads: BP-10 street performance pads provide smooth and consistent response with long wear over a broad range of temperatures (other compounds available)
— Installation parts: Caliper brackets, parking brake cable connection kit, and premium-grade installation hardware included
