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EBC SR-21 sintered race front pads for 2018–2022 Audi S1 Quattro EKSRX Rallycross racecar are offered at 25mm thickness and designed for high-demand rallycross braking. The product description also lists compatibility with certain Hyundai i‑20 N5 Spec entries, showing possible cross-application fitments where pad shape and caliper type align. SR‑21 material suits aggressive competition use.
EBC Racing 18-22 Audi S1 Quattro (EKSRX Rallycross Racecar) SR-21 Sintered Race Front Brake Pads
