Helps to eliminate bore wear by moving the sealing ring land upwards, and adding another guide ring to the bottom of the piston.
A must for late model valvebodies that use plastic pistons!
With higher line pressure, from transmission tuning, the piston will try and side load. With top and bottom guide rings, the side loading is now kept to a minimum.
A must for late model valvebodies that use plastic pistons!
With higher line pressure, from transmission tuning, the piston will try and side load. With top and bottom guide rings, the side loading is now kept to a minimum.