Upper Engine Mount Insert GR Yaris 718 Boxter GTS larger dimeter

larger dimeter

leading to sharper turn in

this prevents the diff from twisting under load

Once boost is raised beyond the factory levels the stock intercooler struggles to cool the more compressed

and when pressure is increased with a remap they are even more prone to fail

Upper Engine Mount Insert GR Yaris 718 Boxter GTS larger dimeterPFF76 925 PFF76 925 Upper Engine Mount Insert is an affordable and easy to fit bush insert made from our Yellow 70A Durometer vibration absorbing material, which works to stiffen the OEM upper engine mounting. This reduces twist of the engine under acceleration and during gear changes, giving the pedals a more direct feel, as well as reducing wheel hop and letting you get the power down that little bit quicker. We recommend fitting PFF76 925 alongside