Quick Change Gears - Winters Performance

1 1580 Trolley RoadYork, PA 17408 USAPh.: : 8500, Series SAE 8620 Steel, Crown Cut, 10 Spline Quick Change Gears . When orderingadd Prefix 85 To Set Number. Example 8501(Numerical Ratio Listed) 2008 Winters Performance Products, Inc. See current catalog or web site for warranty R&P Ratio(8-33 Teeth) R&P Ratio(7-32 Teeth) R&P Ratio(7-34 Teeth)10 SplineQuick Change GearsRemember to refill gear cavitywith good quality gear lube afterquick Change gear Low Spur High Spur No. ofLow High Low High Low HighSet # Determine gear RPM Change :(RPM) ( gear Ratio)x(New Ratio) = (New RPM)Example 8000 x = 7720(# Teeth Top gear ) (# Teeth Bottom gear ) x R&P Ratio = Final DriveTo Determine Final Drive:Ratio x MPHTire DIAx 336 = RPMG earing FormulasRPM x Tire DIAMPH x 336 Ratio =or(Numerical Ratio Listed) 2008 Winters Performance Products, Inc.

2 See current catalog or web site for warranty R&P Ratio(8-33 Teeth) R&P Ratio(7-32 Teeth) R&P Ratio(7-34 Teeth) gear Low Spur High Spur No. ofLow High Low High Low HighSet # : gear Set Numbers 50-58 Are For Limited Horsepower Applications Only!1580 Trolley RoadYork, PA 17408 USAPh.: : Change Gears