T8 Hand Laid Standard Flex SeatsThe T8 and T8 1 4 are the most popular seats made by Tillett Racing Seats. The shape of the T8 is very similar to that of the T7; both have the same 63 degree driving angle and the same excellent comfort and depth. The only difference between the two shapes is that the T8 is slightly smaller at the top and slightly bigger at the bottom. The fixed thickness of the injected T8 molding does enable small variations in rigidity but for professional drivers