![Clubsport 302mm Rear Big Brake Kit Upgrade [MK3 Focus ST] 235 the m260 upgrade should be](https://cdn.shopify.com/s/files/1/0367/2621/files/FOCUS_ST_BBK_01.png?v=1772183036)
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the m260 upgrade should be used in conjunction with the hardware listed below and should only be used with 97RON+ fuel
mk2 Focus ST and mk3 Focus ST
Higher safe operating temperature
The new mountune EC Approved GPF-back exhaust for the Mk8/ Mk8
Clubsport 302mm Rear Big Brake Kit Upgrade [MK3 Focus ST] 235 the m260 upgrade should beThe mountune MK3 Focus ST rear brake upgrade from mountune is a premium solution for drivers looking to elevate their vehicle's braking efficiency. By integrating larger grooved rear discs originally developed for the MK3 Focus RS, this kit increases the disc diameter from 271mm to 302mm. Engineered specifically for the MK3 Focus ST, this upgrade balances high performance requirements with a refined aesthetic. The system utilises the original caliper