PEM 61020 QuickChange Gears Set 20 4.11/5.34 and 4.86/6.32 Quick Change PEM QuickChange Gears Set 20 4.11 Ratio 5.34 / 3.16 4.86 Ratio 6.32 / 3.74 Made from high grade gear steel Hobbed and fully heat treated 10 Spline Bryke Racing Part #: PEM 61020.
