PEM 61023 QuickChange Gears Set 23 4.11/6.16 and 4.86/7.29 Quick Change PEM QuickChange Gears Set 23 4.11 Ratio 6.16 / 2.74 4.86 Ratio 7.29 / 3.24 Made from high grade gear steel Hobbed and fully heat treated 10 Spline Bryke Racing Part #: PEM 61023.
