The LOF POWERspec Brake kit is designed for heavily loaded D2's.  POWERspec kits come complete with fitting kit including fasteners, pins, anti rattle shims and the correct grease where necessary.  Everything needed to upgrade your D2 brakes. Vented Brake Discs: Dimpled and grooved, with black phosphate finish for corrosion resistance and removal of Debris & Heat. Brake Pads: Performance Organic/ Ceramic friction material. POWERspec Pads:  The brake pads have been designed for tuned and modified hard working trucks. A high braking effect, Upgraded coefficient of friction (0.57) Designed for fast road use, stopping highly loaded vehicles including towing vehicles. POWERspec pads have edge chamfers which reduce noise but do not reduce life, uncoated, minimal bedding in required. Pads include noise reduction coating shim on the rear of the pad.