Page 1 - Winters Quick-Change Gear Chart

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Winters™ Performance 8500 Series Quick-Change Gears

Winters™ Performance 10-spline Quick-Change gears are for
use with 10" diameter ring gears.

Gears are 1-3/8" wide, and machined, broached and hobbed
from quality SAE 8620 steel by Winters™ technicians.
Top
PLEASE NOTE: Sets 50 thru 58 are for limited horsepower ap-
Big Gear on
plications only.
TOP = HIGH
GEARING FORMULAS
Top

Bottom

Big Gear on
BOTTOM

Bottom = LOW

Winters™ Performance 8500 Series 10 Spline Quick-Change Gear Ratios

Gear Set HI LO No. 4.12 R & P 4.86 R & P Gear Set HI LO No. 4.12 R & P 4.86 R & P
Set Part # Spur Spur of Set Part # Spur Spur of
Number Ratio Ratio Teeth HI LO HI LO Number Ratio Ratio Teeth HI LO HI LO
WIN8501 01 1.000 1.000 21 / 21 4.12 4.12 4.86 4.86 WIN8514A 14A 1.400 0.714 20 / 28 5.77 2.94 6.80 3.47
WIN8502 02 1.037 0.964 27 / 28 4.27 3.97 5.04 4.69 WIN8535 35 1.412 0.708 17 / 24 5.82 2.92 6.86 3.44
WIN8505 05 1.042 0.960 24 / 25 4.29 3.96 5.06 4.67 WIN8532 32 1.421 0.704 19 / 27 5.86 2.90 6.90 3.42
WIN8515A 15A 1.048 0.955 21 / 22 4.32 3.93 5.09 4.64 WIN8532A 32A 1.435 0.697 23 / 33 5.91 2.87 6.97 3.39
WIN8515 15 1.053 0.950 19 / 20 4.34 3.91 5.11 4.62 WIN8524 24 1.450 0.690 20 / 29 5.97 2.84 7.04 3.35
WIN8526 26 1.074 0.931 27 / 29 4.43 3.84 5.22 4.53 WIN8536 36 1.471 0.680 17 / 25 6.06 2.80 7.14 3.31
WIN8506 06 1.087 0.920 23 / 25 4.48 3.79 5.28 4.47 WIN8537 37 1.476 0.677 21 / 31 6.08 2.79 7.17 3.29
WIN8525 25 1.100 0.909 20 / 22 4.53 3.75 5.34 4.42 WIN8523 23 1.500 0.667 22 / 33 6.18 2.75 7.29 3.24
WIN8512 12 1.115 0.897 26 / 29 4.60 3.69 5.42 4.36 WIN8521 21 1.525 0.655 19 / 29 6.29 2.70 7.41 3.18
WIN8507 07 1.130 0.885 23 / 26 4.66 3.65 5.49 4.30 WIN8521A 21A 1.533 0.652 15 / 23 6.32 2.69 7.45 3.17
WIN8507A 07A 1.143 0.875 21 / 24 4.71 3.61 5.55 4.25 WIN8527 27 1.545 0.647 22 / 34 6.37 2.67 7.51 3.15
WIN8517 17 1.154 0.867 26 / 30 4.75 3.57 5.60 4.21 WIN8543 43 1.563 0.640 16 / 25 6.44 2.64 7.59 3.11
WIN8517A 17A 1.167 0.857 24 / 28 4.81 3.53 5.67 4.17 WIN8528 28 1.579 0.633 19 / 30 6.51 2.61 7.67 3.08
WIN8508A 08A 1.174 0.852 23 / 27 4.84 3.51 5.70 4.14 WIN8528A 28A 1.588 0.630 17 / 27 6.54 2.59 7.71 3.06
WIN8508 08 1.182 0.846 22 / 26 4.87 3.49 5.74 4.11 WIN8529 29 1.600 0.625 15 / 24 6.59 2.58 7.77 3.04
WIN8519 19 1.190 0.840 21 / 25 4.91 3.46 5.78 4.08 WIN8539 39 1.611 0.621 18 / 29 6.64 2.56 7.83 3.02
WIN8509A 09A 1.200 0.833 25 / 30 4.94 3.43 5.83 4.05 WIN8530 30 1.625 0.615 16 / 26 6.70 2.54 7.89 2.99
WIN8509 09 1.211 0.826 19 / 23 4.99 3.40 5.88 4.02 WIN8540 40 1.632 0.613 19 / 31 6.72 2.53 7.93 2.98
WIN8511 11 1.227 0.815 22 / 27 5.06 3.36 5.96 3.96 WIN8541 41 1.647 0.607 17 / 28 6.81 2.50 8.00 2.95
WIN8503 03 1.240 0.806 25 / 31 5.11 3.32 6.02 3.92 WIN8531 31 1.667 0.600 21 / 35 6.87 2.47 8.10 2.92
WIN8513 13 1.250 0.800 20 / 25 5.15 3.30 6.07 3.89 WIN8533A 33A 1.688 0.593 16 / 27 6.95 2.44 8.20 2.88
WIN8518 18 1.261 0.793 23 /29 5.20 3.27 6.12 3.85 WIN8533 33 1.700 0.588 20 / 34 7.00 2.42 8.26 2.86
WIN8518A 18A 1.273 0.786 22 / 28 5.24 3.24 6.18 3.82 WIN8531A 31A 1.714 0.582 21 / 36 7.06 2.40 8.33 2.84
WIN8504A 04A 1.278 0.783 18 / 23 5.26 3.22 6.21 3.80 WIN8530A 30A 1.733 0.577 15 / 26 7.14 2.38 8.42 2.80
WIN8520A 20A 1.286 0.778 21 / 27 5.30 3.20 6.25 3.78 WIN8550 50 1.750 0.571 20 / 35 7.21 2.35 8.50 2.78
WIN8504 04 1.292 0.774 24 / 31 5.32 3.19 6.27 3.76 WIN8551 51 1.765 0.567 17 / 30 7.27 2.34 8.57 2.75
WIN8520 20 1.300 0.769 20 / 26 5.36 3.17 6.31 3.74 WIN8552 52 1.778 0.563 18 / 32 7.32 2.32 8.64 2.73
WIN8522 22 1.316 0.760 19 / 25 5.42 3.13 6.39 3.69 WIN8553 53 1.789 0.559 19 / 34 7.37 2.30 8.69 2.72
WIN8516 16 1.333 0.750 18 / 24 5.49 3.09 6.48 3.65 WIN8554 54 1.800 0.556 15 / 27 7.42 2.29 8.74 2.70
WIN8510 10 1.353 0.739 17 / 23 5.57 3.05 6.57 3.59 WIN8555 55 1.813 0.552 16 / 29 7.47 2.27 8.80 2.68
WIN8510A 10A 1.364 0.733 22 / 30 5.62 3.02 6.62 3.56 WIN8556 56 1.824 0.548 17 / 31 7.51 2.26 8.86 2.67
WIN8534A 34A 1.375 0.727 16 / 22 5.67 3.00 6.68 3.54 WIN8557 57 1.875 0.533 16 / 30 7.73 2.20 9.11 2.59
WIN8534 34 1.381 0.724 21 / 29 5.69 2.97 6.71 3.52 WIN8558 58 1.882 0.531 17 / 32 7.76 2.19 9.14 2.58
WIN8514 14 1.391 0.719 23 / 32 5.73 2.96 6.76 3.49