PEM 61011 QuickChange Gears Set 11 4.11/5.04 and 4.86/5.97 Quick Change PEM QuickChange Gears Set 11 4.11 Ratio 5.04 / 3.35 4.86 Ratio 5.97 / 3.96 Made from high grade gear steel Hobbed and fully heat treated 10 Spline Bryke Racing Part #: PEM 61011.
