8500 Series 10-Spline Quick-Change Gears For 10" Rears :LQWHUVVSOLQHTXLFNFKDQJHJHDUVIRUXVHZLWKGLDULQJJHDUDUHZLGHDQGPDFKLQHGEURDFKHGDQGKREEHGIURP TXDOLW\6$(VWHHOE\:LQWHUVWHFKQLFLDQV6HWVWKURXJKDUHIRUOLPLWHGKRUVHSRZHUDSSOLFDWLRQVRQO\:LQWHUVDOVRKDVDQ DWWUDFWLYHSRVWHU :,13267(5 ZKLFKGLVSOD\VDOODYDLODEOHJHDUVHWVDQGUDWLRVPDNLQJLWDQLGHDOUHIHUHQFHFKDUWIRUWKHZDOORI any race shop.
4.12 Axle Ratio (8-33 Teeth) Low High
4.86 Axle Ratio (7-34 Teeth) Low High
4.12 Axle Ratio (8-33 Teeth) Low High
4.86 Axle Ratio (7-34 Teeth) Low High
High Spur Ratio
Low Spur Ratio
High Spur Ratio
Gear Set No.
Low Spur Ratio
No. Of Teeth
Gear Set No.
No. Of Teeth
Part No.
Part No.
WIN8501 1 WIN8502 2 WIN8505 5
4.12 4.12 1.000 21/21 1.000 4.86 4.86 3.97 4.27 0.964 27/28 1.037 4.69 5.04 3.96 4.29 0.960 24/25 1.042 4.67 5.06
WIN8514 14 2.96 5.73 0.719 23/32 1.391 3.49 6.76 WIN8514A 14A 2.94 5.77 0.714 20/28 1.400 3.47 6.80 WIN8535 35 2.92 5.82 0.708 17/24 1.412 3.44 6.86 WIN8532 32 2.90 5.86 0.704 19/27 1.421 3.42 6.90 WIN8532A 32A 2.87 5.91 0.697 23/33 1.435 3.39 6.97 WIN8524 24 2.84 5.97 0.690 20/29 1.450 3.35 7.04 WIN8536 36 2.80 6.06 0.680 17/25 1.471 3.31 7.14 WIN8537 37 2.79 6.08 0.677 21/31 1.476 3.29 7.17 WIN8523 23 2.75 6.18 0.667 22/33 1.500 3.24 7.29 WIN8521 21 2.70 6.29 0.655 19/29 1.526 3.18 7.41 WIN8521A 21A 2.69 6.32 0.652 15/23 1.533 3.17 7.45 WIN8527 27 2.67 6.37 0.647 22/34 1.545 3.15 7.51 WIN8543 43 2.64 6.44 0.644 16/25 1.563 3.11 7.59 WIN8528 28 2.61 6.51 0.633 19/30 1.579 3.08 7.67 WIN8528A 28A 2.59 6.54 6.30 17/27 1.588 3.06 7.71 WIN8529 29 2.58 6.59 0.625 15/24 1.600 3.04 7.77 WIN8539 39 2.56 6.64 0.621 18/29 1.611 3.02 7.83 WIN8530 30 2.54 6.70 0.615 26/16 1.625 2.99 7.89 WIN8540 40 2.53 6.72 0.613 19/31 1.632 2.98 7.93 WIN8541 41 2.50 6.81 0.607 17/28 1.647 2.95 8.00 WIN8531 31 2.47 6.87 0.600 21/35 1.667 2.92 8.10 WIN8533 33 2.42 7.00 0.588 20/34 1.700 2.86 8.26 WIN8531A 31A 2.40 7.06 0.583 21/36 1.714 2.84 8.33 WIN8530A 30A 2.38 7.14 0.577 15/26 1.733 2.80 8.42 WIN8550 50 2.35 7.21 0.571 35/20 1.750 2.78 8.50 WIN8551 51 2.34 7.27 0.567 30/17 1.760 2.75 8.57 WIN8552 52 2.32 7.32 0.563 32/18 1.778 2.73 8.64 WIN8554 54 2.29 7.42 0.556 15/27 1.800 2.70 8.74 WIN8555 55 2.27 7.47 0.552 29/16 1.813 2.68 8.80 WIN8556 56 2.26 7.51 0.548 31/17 1.824 2.67 8.86 WIN8557 57 2.20 7.73 0.533 30/16 1.875 2.59 9.11 WIN8558 58 2.19 7.76 0.531 32/17 1.882 2.58 9.14
WIN8515A 15A 3.93 4.32 0.955 21/22 1.048 4.64 5.09 WIN8515 15 3.91 4.34 0.950 19/20 1.053 4.62 5.11 WIN8526 26 3.84 4.43 0.931 27/29 1.074 4.53 5.22 WIN8525 25 3.75 4.53 .0909 20/22 1.100 4.42 5.34 WIN8512 12 3.69 4.60 0.897 26/29 1.115 4.36 5.42 WIN8507A 7A 3.61 4.71 0.875 21/24 1.143 4.25 5.55 WIN8517 17 3.57 4.75 0.867 26/30 1.154 4.21 5.60 WIN8517A 17A 3.53 4.81 0.857 24/28 1.167 4.17 5.67 WIN8508A 8A 3.51 4.84 0.852 23/27 1.174 4.14 5.70 WIN8519 19 3.46 4.91 0.840 21/25 1.190 4.08 5.78 WIN8509A 9A 3.43 4.94 0.833 25/30 1.200 4.05 5.83 WIN8506 6 3.79 4.48 0.920 23/25 1.087 4.47 5.28 WIN8507 7 3.65 4.66 0.885 23/26 1.130 4.30 5.49 WIN8508 8 3.49 4.87 0.846 22/26 1.182 4.11 5.74 WIN8513 13 3.30 5.15 0.800 20/25 1.250 3.89 6.07 WIN8518 18 3.27 5.20 0.793 23/29 1.261 3.85 6.12 WIN8518A 18A 3.24 5.24 0.786 22/28 1.273 3.82 6.18 WIN8504A 4A 3.22 5.26 0.783 18/23 1.278 3.80 6.21 WIN8520A 20A 3.20 5.30 0.778 21/27 1.286 3.78 6.25 WIN8520 20 3.17 5.36 0.769 20/26 1.300 3.74 6.31 WIN8522 22 3.13 5.42 0.760 19/25 1.316 3.69 6.39 WIN8516 16 3.09 5.49 0.750 18/24 1.333 3.65 6.48 WIN8510 10 3.05 5.57 0.739 17/23 1.353 3.59 6.57 WIN8510A 10A 3.02 5.62 0.733 22/30 1.364 3.56 6.62 WIN8534A 34A 3.00 5.67 0.727 16/22 1.375 3.54 6.68 WIN8504 4 3.19 5.32 0.774 24/31 1.292 3.76 6.27 WIN8509 9 3.40 4.99 0.826 19/23 1.211 4.02 5.88 WIN8511 11 3.36 5.06 0.815 22/27 1.227 3.96 5.96 WIN8503 3 3.32 5.11 0.806 25/31 1.240 3.92 6.02
WIN8534 34 2.97 5.69 0.724 21/29 1.381 3.52 6.71 4400 Series 6-Spline Quick Change Gears For 8-3/8" Rears 'HVLJQHGIRUXVHZLWKUHDUVVHULHVZLGHJHDUVDUHPDQXIDFWXUHGIURPVWHHODQGIHDWXUHDFURZQFXW(QJL - QHHUHGIRUDSSOLFDWLRQVZLWKXQGHUKRUVHSRZHULQFOXGLQJ$6$DQGRWKHUFUDWHPRWRUFODVVHV
3.78 Axle Ratio (9-34 Teeth) Low High
4.11 Axle Ratio (9-37 Teeth)
4.33 Axle Ratio (9-39 Teeth)
Gear Set No.
Low Spur Ratio
High Spur Ratio
No. Of Teeth
Part No.
Low High Low High
WIN4401 1 WIN4402 2 WIN4403 3
1.000 0.958 0.920
1.000 24/24 3.78 3.78 4.11 4.11 4.33 4.33 1.043 23/24 3.62 3.94 3.94 4.29 4.15 4.52 1.087 23/25 3.48 4.11 3.78 4.47 3.98 4.71 1.118 17/19 3.38 4.22 3.68 4.59 3.87 4.84 1.136 22/25 3.33 4.30 3.62 4.67 3.81 4.92 1.182 22/26 3.20 4.47 3.48 4.86 3.66 5.12 1.238 21/26 3.05 4.68 3.32 5.09 3.50 5.36 1.263 19/24 2.99 4.77 3.25 5.19 3.43 5.47 1.286 21/27 2.94 4.86 3.20 5.28 3.37 5.57 1.304 23/30 2.90 4.93 3.15 5.36 3.32 5.65 1.333 18/24 2.84 5.04 3.08 5.48 3.25 5.77 1.350 20/27 2.80 5.10 3.04 5.55 3.21 5.85 1.375 16/22 2.75 5.20 2.99 5.65 3.15 5.95 1.400 20/28 2.70 5.29 2.94 5.75 3.09 6.06 1.421 19/27 2.66 5.37 2.89 5.84 3.05 6.15 1.438 16/23 2.63 5.43 2.86 5.91 3.01 6.22 1.467 15/22 2.58 5.54 2.80 6.03 2.95 6.35 1.500 18/27 2.52 5.67 2.74 6.17 2.89 6.50 1.526 19/29 2.48 5.77 2.69 6.27 2.84 6.61 1.533 15/23 2.47 5.80 2.68 6.30 2.82 6.64 1.571 14/22 2.41 5.94 2.62 6.46 2.76 6.80 1.600 15/24 2.36 6.05 2.57 6.58 2.71 6.93 1.625 16/26 2.33 6.14 2.53 6.68 2.66 7.04 1.667 18/30 2.27 6.30 2.47 6.85 2.60 7.22 1.692 13/22 2.23 6.40 2.43 6.96 2.56 7.33 1.750 16/28 2.16 6.62 2.35 7.19 2.47 7.58 1.786 14/25 2.12 6.75 2.30 7.34 2.42 7.73
WIN4403B 3B 0.895 WIN4403A 3A 0.880
WIN4404 4 WIN4405 5 WIN4406 6 WIN4424 24 WIN4425 25 WIN4407 7 WIN4423 23 WIN4408 8 WIN4422 22 WIN4409 9 WIN4410 10 WIN4411 11 WIN4412 12 WIN4413 13 WIN4414 14 WIN4415 15 WIN4416 16 WIN4417 17 WIN4418 18
0.846 0.808 0.778 0.767 0.750 0.741 0.727 0.714 0.696 0.682 0.667 0.655 0.652 0.636 0.625 0.615 0.600 0.591 .704
WIN4405A 5A 0.792
WIN4418A 18A 0.571
WIN4419 19
0.560
787
2019-20 CIRCLE TRACK PARTS AND ACCESSORIES
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