Circuit Racing TR40 Front Wheel 4-Piston Big Brake Kit Rotor Material & Design:Steel - GrainSlot 7640TK is a Direct-Mount front

7640TK is a Direct-Mount front kit

Friction values vary with temperature

also called rotor bells

2 × 7642TK forged 6-piston front calipers

Drive several minutes at light throttle without dragging the brakes to let the system cool

Circuit Racing TR40 Front Wheel 4-Piston Big Brake Kit Rotor Material & Design:Steel - GrainSlot 7640TK is a Direct-Mount frontRacing Series Circuit Front Axle 4 Piston TR40 Front 4 Piston Racing Big Brake Kit The TR40 is a front axle 4 piston racing big brake kit built for circuit, time attack, drift, rally, and endurance cars that need repeatable torque, stable pedal feel, and a predictable pad window under sustained heat. Forged monoblock construction, staggered piston bore, and a two piece 28 mm iron rotor package give the driver a clean signal at threshold braking