Two kinds of brake disc for your choice - slotted disc and Floating slotted disc (2 pieces style). The size for Big 4 pot brake disc is 302mm and 330mm.

Made by the material FC-28 and combined with various alloy to offer the stability in the high temperature. Special grooved design to completely clean dust in brake pad and disc during braking time to closely fit the joint between pad and disc. It can improve the brake more accurately.

Floating slotted disc (2 pieces style) size with 302mm and 330mm

Made by the material FC-28 and combined with nickel and chromium. This disc can bear temperature till 925 degrees centigrade. What’s more, the isolated and floating hub design can resist the heat transfer that is via disc. Special slotted design and made by AL-7075 with forging tech to strengthen up more than 60% in general products in the market.