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The Wilwood Superlite 4R/ST rear road race kit for 2000–2006 BMW M3 (E46) pairs forged narrow 4-piston rear calipers with 12.88 in GT directional vane rotors to match front race systems. Thermlock pistons reduce heat transfer and fading, radial mount brackets attach in the stock location, and the kit includes high-temperature race compound pads plus all required premium fasteners for competition-focused installations.
Wilwood Superlite 4R/ST Rear 12.88in Road Race Kit - Gray Hard Anodize 00-06 BMW M3 (E46)
