EBC's low-dust Kevlar compound for use on 8.4" discs. The Black Stuff material is the first upgrade for street performance use. Set of four. Use pin set GBK1010 or GBK1026 clip/pin set. Also fits Midget, Sprite and MG1100 with solid rotors. For upgraded sets, see also GBP281GREEN, or C-AHT0016.