QuickChange Gear Set 30 4.11/6.68 and 4.86/7.89

QuickChange Gear Set 30 4.11/6.68 and 4.86/7.89 QuickChange Gear Set 30 4.11/6.68 and 4.86/7.89 PEM QuickChange Gears Set 30 4.11 Ratio 6.68 4.86 Ratio 7.89 Made from high grade gear steel Hobbed and fully heat treated 10 Spline Bryke Racing Part #: PEM 61030.