![09D Grooved Front Brake Disc Pair [Focus ST Mk4] Engine Designed to reduce friction and](https://cdn.shopify.com/s/files/1/0759/1064/3979/files/FBR005AA_focus_st_mk4_front_rotor02.jpg?v=1741015337)
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Designed to reduce friction and improve power transfer
protecting pistons
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reducing the risk of contact or vibration
• Larger bore silicone boost hoses supplied as standard with this kit
09D Grooved Front Brake Disc Pair [Focus ST Mk4] Engine Designed to reduce friction andProduct Overview The 09Design Performance Brake Disc upgrade for the Mk4. 4. 5 Focus ST has been developed to deliver confident, consistent braking performance for fast road use. Designed to work seamlessly together with our performance brake pads to offer improved pedal feel, dependable stopping power, and enhanced thermal stability compared to standard OEM braking components. Front discs, sold as a pair.