PEM 61025 QuickChange Gears Set 25 4.11/4.52 and 5.35/5.78 Quick Change PEM QuickChange Gears Set 25 4.11 Ratio 4.52 / 3.74 4.86 Ratio 5.35 / 4.42 Made from high grade gear steel Hobbed and fully heat treated 10 Spline Bryke Racing Part #: PEM 61025.
