Wilwood 140-15381-R TX6R 6-Piston Big Brake Kit 16" Slotted Rotor (Red)

Vehicle Fitment

• 2014-2023 Ram 2500 / 3500 (2WD / 4WD) - 8-lug variant

Features

• Forged TX6R radial-mount six-piston calipers for maximum clamping force
• Red powder-coat finish for style and corrosion protection
• 16.00" GT-60 Spec-37 iron rotors with directional curved vanes
• Slotted rotor surface for improved heat dissipation and brake bite
• Radial-mount brackets for proper caliper positioning and rigidity
• Includes all necessary mounting hardware
• Heavy-duty construction designed for towing, hauling, or off-road use
• Compatible with factory master cylinder and ABS system

Specifications

• Part Number: 140-15381-R
• Caliper Type: TX6R, forged aluminum, 6 pistons
• Piston Sizes: 2.00" / 1.88" / 1.88"
• Rotor Diameter: 16.00"
• Rotor Material: Spec-37 iron
• Vane Count: 60 directional vanes
• Rotor Thickness: ~1.50"
• Minimum Wheel Diameter: 20"
• Bolt Pattern: 8 x 6.50" lug

Included Components

• 2x TX6R six-piston calipers (left & right)
• 2x 16" GT-60 slotted Spec-37 rotors
• 2x Radial-mount brackets
• Hardware kit (bolts, shims, washers)
• Brake lines included for certain applications

Product Description

The Wilwood 140-15381-R is a premium big-brake kit designed for 2014-2023 Ram 2500 and 3500 trucks. The forged TX6R six-piston calipers in red provide powerful stopping performance while maintaining precise pedal feel.

Paired with 16" GT-60 Spec-37 iron rotors featuring slotted surfaces and directional vanes, the kit ensures efficient heat dissipation and consistent braking under heavy-duty conditions. Radial-mount brackets increase caliper stability, and the included hardware simplifies installation.

Ideal for towing, hauling, off-road use, or performance street applications, the 140-15381-R delivers high-duty braking capability without compromising compatibility with factory ABS and master cylinder systems. This kit combines strength, reliability, and visual appeal for serious truck upgrades.