PEM 61018 QuickChange Gears Set 18 4.11/5.19 and 4.86/6.13 Quick Change PEM QuickChange Gears Set 18 4.11 Ratio 5.19 / 3.25 4.86 Ratio 6.13 / 3.85 Made from high grade gear steel Hobbed and fully heat treated 10 Spline Bryke Racing Part #: PEM 61018.
