●Replacement part: the modified solution is to improve the feel of the brake, throttle and clutch by replacing our specially designed brake, throttle and clutch springs and simulated vacuum hydraulics. ●Advantage: improve pedal feel with balanced increase in strength. Simulates the pedals in a real car. Improves lap time and consistency compared to an unchanged pedal. ●Compatibility: compatible with Logitech G27 / G29 / G920 Racing Wheel. ●Material : The upgrade gas brake clutch pedal spring is made of higher hardness, rust protection and durability. ●Box contents: 1x brake spring, 1x throttle spring, 1x clutch spring, 3x screw for sealing, 3x rubber ring for sealing, 2x wrenches