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Kumho Ecsta PS91

The Kumho Ecsta PS91 is developed for the supercar enthusiast. It delivers wet and dry handling performance at high speeds with its compounded rib tread design. The C-Cut 3D design enhances block stiffness, providing optimum braking performance and stability. The Ecsta PS91 has a dimple tread design that helps reduce heat build up, in turn providing maximum block durability.
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Kumho Ecsta PS91 Tire Specs Chart

Size Diameter Width Rim
Range
Measured
Rim
Tread
Depth
Load
Range
Max
Load
Max
psi
Weight Revs/Mile
225/40ZR18
92Y XL BSW
260 AA A
25.1" 9.1" 7.5-9" 8" 9.8/32" XL 1389 lbs 50 psi 23 lbs 828 Show Specs
225/45ZR18
95Y XL BSW
260 AA A
25.9" 8.9" 7-8.5" 7.5" 9.8/32" XL 1521 lbs 50 psi 24.5 lbs 803 Show Specs
235/40ZR18
95Y XL BSW
260 AA A
25.4" 9.5" 8-9.5" 8.5" 9.8/32" XL 1521 lbs 50 psi 24.2 lbs 818 Show Specs
245/35ZR18
92Y XL BSW
260 AA A
24.8" 9.8" 8-9.5" 8.5" 9.8/32" XL 1389 lbs 50 psi 24.5 lbs 838 Show Specs
245/40ZR18
97Y XL BSW
260 AA A
25.7" 9.8" 8-9.5" 8.5" 9.8/32" XL 1609 lbs 50 psi 26.1 lbs 809 Show Specs
245/45ZR18
100Y XL BSW
260 AA A
26.7" 9.7" 7.5-9" 9" 9.8/32" XL 1764 lbs 50 psi 27.2 lbs 779 Show Specs
255/35ZR18
94Y XL BSW
260 AA A
25" 10.2" 8.5-10" 9" 9.8/32" XL 1477 lbs 50 psi 25.5 lbs 831 Show Specs
255/40ZR18
99Y XL BSW
260 AA A
26" 10.2" 8.5-10" 9" 9.8/32" XL 1709 lbs 50 psi 26.5 lbs 800 Show Specs
265/35ZR18
97Y XL BSW
260 AA A
25.3" 10.7" 9-10.5" 9.5" 9.8/32" XL 1609 lbs 50 psi 26.7 lbs 822 Show Specs
265/40ZR18
101Y XL BSW
260 AA A
26.3" 10.7" 9-10.5" 9.5" 9.8/32" XL 1819 lbs 50 psi 27.8 lbs 790 Show Specs
275/35ZR18
99Y XL BSW
260 AA A
25.6" 10.9" 9-11" 9.5" 9.8/32" XL 1709 lbs 50 psi 28.4 lbs 812 Show Specs
275/40ZR18
103Y XL BSW
260 AA A
26.7" 10.9" 9-11" 9.5" 9.8/32" XL 1929 lbs 50 psi 30.2 lbs 779 Show Specs
225/35ZR19
88Y XL BSW
260 AA A
25.2" 9.1" 7.5-9" 8" 9.8/32" XL 1235 lbs 50 psi 21.4 lbs 825 Show Specs
225/40ZR19
93Y XL BSW
260 AA A
26.1" 9.1" 7.5-9" 8" 9.8/32" XL 1433 lbs 50 psi 21.8 lbs 796 Show Specs
235/35ZR19
91Y XL BSW
260 AA A
25.5" 9.5" 8-9.5" 8.5" 9.8/32" XL 1356 lbs 50 psi 22 lbs 815 Show Specs
245/35ZR19
93Y XL BSW
260 AA A
25.8" 9.8" 8-9.5" 8.5" 9.8/32" XL 1433 lbs 50 psi 26.4 lbs 806 Show Specs
245/40ZR19
98Y XL BSW
260 AA A
26.7" 9.8" 8-9.5" 8.5" 9.8/32" XL 1653 lbs 50 psi 26.2 lbs 779 Show Specs
245/45ZR19
102Y XL BSW
260 AA A
27.7" 9.6" 7.5-9" 8" 9.8/32" XL 1874 lbs 50 psi 28.1 lbs 750 Show Specs
255/30ZR19
91Y XL BSW
260 AA A
25.1" 10.2" 8.5-9.5" 9" 9.8/32" XL 1356 lbs 50 psi 24.8 lbs 828 Show Specs
255/35ZR19
96Y XL BSW
260 AA A
26" 10.2" 8.5-10" 9" 9.8/32" XL 1565 lbs 50 psi 27.7 lbs 800 Show Specs
255/40ZR19
100Y XL BSW
260 AA A
27" 10.2" 8.5-10" 9" 9.8/32" XL 1764 lbs 50 psi 27.5 lbs 770 Show Specs
255/45ZR19
104Y XL BSW
260 AA A
28.1" 10" 8-9.5" 8.5" 9.8/32" XL 1984 lbs 50 psi 29 lbs 740 Show Specs
265/30ZR19
93Y XL BSW
260 AA A
25.3" 10.7" 9-10" 9.5" 9.8/32" XL 1433 lbs 50 psi 25.8 lbs 822 Show Specs
265/35ZR19
98Y XL BSW
260 AA A
26.3" 10.7" 9-10.5" 9.5" 9.8/32" XL 1653 lbs 50 psi 28.9 lbs 790 Show Specs
275/30ZR19
96Y XL BSW
260 AA A
25.6" 10.9" 9-10" 9.5" 9.8/32" XL 1565 lbs 50 psi 28.5 lbs 812 Show Specs
275/35ZR19
100Y XL BSW
260 AA A
26.6" 10.9" 9-11" 9.5" 9.8/32" XL 1764 lbs 50 psi 29.1 lbs 782 Show Specs
275/40ZR19
105Y XL BSW
260 AA A
27.7" 10.9" 9-11" 9.5" 9.8/32" XL 2039 lbs 50 psi 30.6 lbs 750 Show Specs
285/30ZR19
98Y XL BSW
260 AA A
25.8" 11.4" 9.5-10.5" 10" 9.8/32" XL 1653 lbs 50 psi 30.4 lbs 806 Show Specs
285/35ZR19
103Y XL BSW
260 AA A
26.9" 11.4" 9.5-11" 10" 9.8/32" XL 1929 lbs 50 psi 29.9 lbs 774 Show Specs
285/40ZR19
107Y XL BSW
260 AA A
28" 11.4" 9.5-11" 10" 9.8/32" XL 2150 lbs 50 psi 32.1 lbs 742 Show Specs
295/30ZR19
100Y XL BSW
260 AA A
26" 11.9" 10-11" 10.5" 9.8/32" XL 1764 lbs 50 psi 31.5 lbs 800 Show Specs
305/30ZR19
102Y XL BSW
260 AA A
26.3" 12.3" 10.5-11.5" 11" 9.8/32" XL 1874 lbs 50 psi 31.4 lbs 790 Show Specs
235/35ZR20
92Y XL BSW
260 AA A
26.5" 9.5" 8-9.5" 8.5" 9.8/32" XL 1389 lbs 50 psi 22.9 lbs 784 Show Specs
245/35ZR20
95Y XL BSW
260 AA A
26.8" 9.8" 8-9.5" 8.5" 9.8/32" XL 1521 lbs 50 psi 27.9 lbs 775 Show Specs
245/40ZR20
99Y XL BSW
260 AA A
27.7" 9.8" 8-9.5" 8.5" 9.5/32" XL 1709 lbs 50 psi 28 lbs 750 Show Specs
245/45ZR20
103Y XL BSW
260 AA A
28.7" 9.6" 7.5-9" 8" 9.8/32" XL 1929 lbs 50 psi 29.3 lbs 724 Show Specs
255/35ZR20
97Y XL BSW
260 AA A
27" 10.2" 8.5-10" 9" 9.8/32" XL 1609 lbs 50 psi 27.6 lbs 770 Show Specs
255/40ZR20
101Y XL BSW
260 AA A
28" 10.2" 8.5-10" 9" 9.8/32" XL 1819 lbs 50 psi 29.2 lbs 742 Show Specs
265/35ZR20
99Y XL BSW
260 AA A
27.3" 10.7" 9-10.5" 9.5" 9.8/32" XL 1709 lbs 50 psi 28.8 lbs 762 Show Specs
275/30ZR20
97Y XL BSW
260 AA A
26.5" 11.3" 9-10" 9.5" 9.5/32" XL 1609 lbs 50 psi 28.3 lbs 784 Show Specs
275/35ZR20
102Y XL BSW
260 AA A
27.6" 10.9" 9-11" 9.5" 9.8/32" XL 1874 lbs 50 psi 31.4 lbs 753 Show Specs
275/40ZR20
106Y XL BSW
260 AA A
28.7" 10.9" 9-11" 9.5" 9.8/32" XL 2094 lbs 50 psi 31.9 lbs 724 Show Specs
285/35ZR20
104Y XL BSW
260 AA A
27.9" 11.4" 9.5-11" 10" 9.8/32" XL 1984 lbs 50 psi 32.4 lbs 745 Show Specs
295/30ZR20
101Y XL BSW
260 AA A
27" 11.9" 10-11" 10.5" 9.8/32" XL 1819 lbs 50 psi 32.8 lbs 770 Show Specs
295/35ZR20
105Y XL BSW
260 AA A
28.1" 11.9" 10-11.5" 10.5" 9.8/32" XL 2039 lbs 50 psi 33 lbs 740 Show Specs

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