AP Racing Disc Replacement Rings

Below are an array of AP Racing J Hook Racing Disc replacement rings designed to work with our Essex Designed AP Racing Competition Brake Kits and our 2-piece Competition Brake Discs. Featuring high directional vane counts, crack-resistant metallurgy, and AP's patented J Hook slot technology, these discs will keep coming back for any abuse that you may throw at them.

AP Racing brake discs are designed without restriction, and only the absolute maximum performance in mind. With countless wins in Formula 1, NASCAR Sprint Cup, ALMS, DTM, and WRC, they are the clear choice when cost is no object. Fortunately, many of AP Racing's discs are more affordable than you'd expect with such a lengthy winning pedigree.

Iron Ring and Aluminum Hat Assembly Instructions



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News & Blog

May 19th 2025
e92 M3 owner finds consistency and longevity in his AP by Essex Radi-CAL Brake Kit!

"They were outstanding..."

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May 19th 2025
Speed Freaks and Apex Club Equip Porsche 718 GT4 RS with Radi-CAL Competition Brake Kits

The best brakes for the ultimate Cayman GT4!

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May 12th 2025
Celebrating 700 wins: AP Racing’s legendary BTCC victory

The AP Radi-CAL continues to dominate

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