Abarth 500 / 595 / 695 Track Day/Motorsport Upper Engine Mount Gearbox Side Kit - DNA RACINGSKU: PC1781 THE "TRACK DAY DNA RACING VERSION FITS A UNIQUE CUSTOM DNA POWERFLEX MOULDED BUSHING WITH AN HARDNESS OF 95 SHORE TO ABSORB VIBRATIONS, BUT STILL REDUCE ENGINE MOVEMENT TO AID GETTING ALL THE POWER TO THE GROUND. IT REDUCES THE MOVEMENT OF THE FACTORY MOUNTS, MAXIMIZING TORQUE AND ENERGY TRANSFER TO THE TRANSMISSION. IT ALSO REDUCES WHEEL HOPPING UNDER ACCELERATION, IMPROVES TRACTION, REDUCES SHIFT TIME AND OFFERS GREATER THROTTLE