Ford Edge (ST) Big Brake Kit Upgrade / TTSPORT Classic 8703

The Ford Edge ST's 2.7L V6 EcoBoost twin-turbo makes 237 kW and 500 N·m, good for a 7.2-second 0-100 km/h run — serious numbers for a mid-size crossover. Against that kind of power, the factory brake hardware runs out of margin fast, especially with SYNC+ and Co-Pilot360 encouraging a more spirited driving style. This owner addressed it with a front TT8703 six-piston big brake kit from TTSPORT.

The build runs 20-inch wheels, and the front axle received the TT8703 cast six-piston caliper paired with a 380mm x 34mm curved-slot rotor and TTSPORT stainless steel lines — a straightforward front-axle upgrade aimed at the mismatch between engine output and stock braking hardware.

Vehicle & Kit Specs

Why It Works

• The TT8703's one-piece cast aluminum body resists the caliper flex that softens pedal feel under hard braking — the housing doesn't spread under load the way a stock sliding caliper can.
• Six opposed pistons apply more even clamping force across the pad than the fewer pistons found in a typical factory setup, translating to a more direct pedal response.
• The 380mm x 34mm rotor adds mass and swept area over the stock disc, giving the system more thermal capacity to resist fade during repeated hard stops. The curved-slot pattern also helps keep the rotor face cleaner during use.
• Stainless steel lines replace the factory rubber hoses, cutting down on the line expansion that can make a pedal feel spongy under sustained pressure.

The owner went with a yellow caliper finish, which stands out well against the Edge's black body — a small styling choice that also makes the upgrade easy to spot behind the 20-inch wheels.

Installation Gallery

FAQ