PowerStop K8641-36 Z36 Rear Brake Kit 2019-2024 Ram 2500 All Trims

Vehicle Fitment

• 2019-2024 Ram 2500 (6.4L HEMI V8, 6.7L Cummins Diesel I6, 4WD & 2WD - all trims: Tradesman, Big Horn, Laramie, Power Wagon, Limited, Longhorn)

Fitment Notes

• Rear axle kit only - Ram 2500 models only; does NOT fit Ram 3500, which uses dedicated rear kits (see K7131-36 for Ram 3500 SRW rear Z36)
• For a complete front and rear Z36 upgrade on the Ram 2500, pair with K8478-36 (front); the complete F&R Z36 kit for this platform is K8640-36
• For a daily-driver Z23 rear kit on this same platform, see K8641
• 8-lug bolt pattern (8x165.1mm / 8x6.5 in.)
• No special modifications required - direct bolt-on installation

Features

• Z36 Truck & Tow Carbon-Fiber Ceramic pad compound engineered for towing, hauling, and heavy-duty use - delivers substantially greater brake torque than standard ceramic pads and resists fade under sustained load at the rear axle
• Purpose-built for the Ram 2500's towing and hauling demands - handles the elevated brake temperatures of long descents and loaded stops without fade
• Drilled & slotted vented rear rotors maximize heat dissipation and clear gas and debris from the friction surface under extreme operating conditions
• Premium stainless-steel pad shims resist elevated temperatures common in heavy-duty applications
• Low-dust formula validated through on-vehicle third-party testing - 30% less dust on average versus OE
• Silver zinc dichromate plated rotors resist rust and corrosion
• G3000 grade iron castings built to strict OE tolerances for crack resistance and durability
• Includes premium stainless-steel installation hardware and high-temp ceramic brake lubricant
• Bolt-on upgrade - no modifications needed

Specifications

• Kit Coverage: Rear Only
• Rear Rotor Outside Diameter: 14.09 in. (358 mm)
• Rotor Construction: Full Cast Iron - G3000
• Rotor Type: Vented
• Surface Type: Drilled & Slotted
• Rotor Finish: Silver Zinc Dichromate Plated
• Stud/Lug Hole Quantity: 8
• Bolt Circle Diameter: 8x165.1 mm (8x6.5 in.)
• Pad Compound: Z36 Truck & Tow Carbon-Fiber Ceramic
• Pad Shims Included: Yes - Premium Stainless-Steel

Included Components

• 2x Rear Drilled & Slotted Zinc-Plated Brake Rotors
• 1x Rear Z36 Truck & Tow Carbon-Fiber Ceramic Brake Pad Set (with stainless-steel shims & hardware)
• 1x Stainless-Steel Installation Hardware Kit
• 1x High-Temperature Ceramic Brake Lubricant

Product Description

The PowerStop K8641-36 Z36 Truck & Tow Rear Brake Kit is the heavy-duty rear brake upgrade for the 2019-2024 Ram 2500 - all trims and drivetrains. The Z36 Truck & Tow Carbon-Fiber Ceramic pads deliver substantially more brake torque than stock and are engineered to handle the sustained heat loads of towing and loaded descents without fade - exactly what the Ram 2500's Cummins diesel and HEMI towing capability demands at the rear axle. G3000 iron rotors are precision-cast to OE tolerances for a direct bolt-on fit with no modifications required.

Ram 2500 only - Ram 3500 requires separate rear kits. For a daily-driver-oriented Z23 version of this rear kit, see K8641. For the complete front and rear Z36 kit on this platform, see K8640-36.