This genuine New Holland 83981387 shim is designed for use in powershift overpressure valve assemblies, ensuring precise hydraulic system operation. It is a critical component for maintaining correct pressure settings in New Holland 8630, 8830, 8730, 8530, 8970, 8670, 8770, 8870, 8970A, 8670A, 8770A, TG210, TG230, TG255, TG285, TG215, TG245, TG275, TG305, TV140, TV145, TV6070, T8010, T8020, T8030, T8040, T8050, T8.275, T8.300, T8.330, T8.360, T8.390, T8.320, T8.350, T8.380, T8.410, T8.435, T9.390, T9.450, T9.505, T9.560, T9.615, T9.670, T9.435, T9.480, T9.530, T9.580, T9.645, T9.700 tractor models.