The track masters and R1000 really depend on how you want to set it up. as listed in the chart below
HP Range CFM Turbo Model Compressor Wheel Turbine Wheel A/R Flange
500-575 1070 R575 66.0 mm 2.60 in 80.0 mm 3.15 in 0.91 T4
575-650 1190 R650 67.5 mm 2.66 in 83.4 mm 3.28 in 0.90-1.25 T4
650-675 1378 R700 71.0 mm 2.80 in 83.4 mm 3.28 in 0.90-1.25 T4
675-700 1552 R800 74.6 mm 2.94 in 83.4 mm 3.28 in 0.90-1.25 T4
700-850 1552 R850 74.6 mm 2.94 in 87.3 mm 3.44 in 0.90-1.25 T4
850-950 1680 R950 80.3 mm 3.15 in 87.3 mm 3.44 in 0.90-1.25 T4
950-1100 1778 R1000 82.2 mm 3.24 in 87.3 mm 3.44 in 0.90-1.25 T4
1200-1300 1988 R1100 88.0 mm 3.46 in 109.7 mm 4.32 in 1.15-1.45 T6
1200-1300 2128 R1200 90.0 mm 3.54 in 109.7 mm 4.32 in 0.85-1.60 T6