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AP Racing Radi-Cal Big Brake Kit (360x28mm / Rear) - BMW 320i RWD (F30) 2013-2015

Code: APRACING-APR64700-1

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AP Racing Radi-Cal Big Brake Kit (360x28mm / Rear) - BMW 320i RWD (F30) 2013-2015
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Rotor: 
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Pistons: 4 Piston
Rotor Size: 360x28mm 2pc

AP Racing Radi-CAL big brake kits are the epitome of the Race on Sunday, Sell on Monday mentality. In an era of motorsports that sees very little technology making its way to street vehicles, AP Racing has decided to re-write the history books and bring that famous saying back.

After 7 years of success in racing series' such as Formula One, NASCAR, WRC, Formula GP2, Indy, ALMS, Le Mans, and many more, AP Racing decided to bring the World Radi-CAL calipers to the masses. The history behind their Radi-CAL caliper is very interesting. In 2005, they took their latest CAD software and combined it with their latest FEA (finite element analysis) software, and decided to forget everything they knew about them. Their goal was to develop the lightest, strongest, most efficient caliper line possible. The end result is the World Radi-CAL.

By removing material where it isn't necessary and keeping the material only where it's actually required, AP Racing is able to remove a considerable amount of weight. Additionally, in choosing a pressure forged aluminum manufacturing process, the caliper is 20% lighter than if it were to be constructed out of cast aluminum.

By using a pressure forged aluminum manufacturing process, the caliper is 25% stiffer than if it were to be constructed out of cast aluminum. Additionally, it is designed to only have material in key structurally integral areas so as to better manage the loads being placed on them during hard braking.