BOLD MAGENTA part numbers are new for 2023 PARTS-UNLIMITED.COM 2023 | ATV/UTV BELTS, CHAINS & SPROCKETS 578 JT SPROCKETS (CONT) FITS MODEL STOCK GEARING CHAIN SIZE FRONT SIZE PART # NOTES REAR SIZE PART # NOTES POLARIS (CONT) Trail Boss 350L/Sportsman 4x4 93 12-34 520-64 12 JTF3221-12 2 34 JTR1478-34 3 Front - 520-64 22 JTF3323-22 Countershaft inner - 520-84 12 JTF3221-12 Countershaft outer - 520-70 11 JTF3222-11 Center inner - - 12 JTF3221-12 Center outer - - 22 JTF3323-22 Trail Boss 2x4 350L 90-93 13-34 520-84 11 JTF3221-11 30 JTR1478-30 13-34 520-84 12 JTF3221-12 34 JTR1478-34 13 JTF3221-13 36 JTR1478-36 38 JTR1478-38 40 JTR1478-40 42 JTR1478-42 Trail Boss 4x4 350L 90-91 12-34 520-84 12 JTF3221-12 2 34 JTR1478-34 3 Front - 520-64 22 JTF3323-22 Countershaft inner - 520-84 12 JTF3221-12 Countershaft outer - 520-70 11 JTF3221-11 Center inner - - 12 JTF3221-12 Center outer - - 22 JTF3323-22 4x4 350L 92 12-34 520-84 12 JTF3221-12 2 34 JTR1478-34 3 Front - 520-64 22 JTF3323-22 Countershaft inner - 520-84 12 JTF3221-12 Countershaft outer - 520-70 11 JTF3222-11 Center inner - - 12 JTF3221-12 Center outer - - 22 JTF3323-22 4x4 350L 93 12-34 520-84 12 JTF3221-12 2 34 JTR1478-34 3 Front - 520-64 22 JTF3323-22 Countershaft inner - 520-84 12 JTF3221-12 Countershaft outer - 520-70 11 JTF3222-11 Center inner - - 11 JTF3221-11 Center outer - - 22 JTF3323-22 6x6 350L 93 12-34 520-64 12 JTF3221-12 2 30 JTR1478-30 1 Front - 520-64 22 JTF3323-22 34 JTR1478-34 3 Countershaft inner - 520-88 13 JTF3221-13 42 JTR1478-42 Countershaft outer - 520-70 12 JTF3221-12 Center inner - 520-116 12 JTF3221-12 Center outer - - 22 JTF3323-22 Axle to axle 30-30 520-116 - - 400 Scrambler 4x4 95 11-38 520-84 11 JTF3222-11 2 38 JTR1478-38 3 Front - 520-64 22 JTF3323-22 Countershaft inner - 520-84 11 JTF3222-11 Countershaft outer - - 11 JTF3222-11 Center inner - - 12 JTF3221-12 Center outer - - 22 JTF3323-22 400 Scrambler 4x4 96-99 13-38 520-84 13 JTF3221-13 2 38 JTR1478-38 Front - 520-64 22 JTF3323-22 Countershaft inner - 520-84 13 JTF3221-13 Countershaft outer - 520-70 11 JTF3222-11 Center inner - - 12 JTF3221-12 Center outer - - 22 JTF3323-22 400 Sportsman 4x4 94-96 13-34 520-84 13 JTF3221-13 34 JTR1478-34 Countershaft inner - 520-84 13 JTF3221-13 Countershaft outer - 520-70 11 JTF3221-11 Center inner - - 13 JTF3221-13 400 Scrambler 00-01 13-36 520-0 11 JTF3221-11 30 JTR1478-30 400 Scrambler 2x4/4 x4 00-01 13-36 520-76 12 JTF3221-12 34 JTR1478-34 400 Trail Blazer 2x4 03 13-36 520-76 13 JTF3221-13 36 JTR1478-36 400 Xpress 2x4 96 13-34 520-84 38 JTR1478-38 400L 2x4 94-95 13-34 520-84 40 JTR1478-40 400L Sport 94-95 12-34 520-84 42 JTR1478-42 400L Sport 96-99 13-34 520-84 4x4 400L 94 13-34 520-84 11 JTF3221-11 34 JTR1478-34 3 Front - 520-64 12 JTF3221-12 2 Countershaft inner - 520-84 13 JTF3221-13 Countershaft outer - 520-64 22 JTF3323-22 Center inner - - Center outer - -
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