PEM 61007Q QuickChange Gears Set 7Q 4.11/4.70 and 4.86/5.55 Quick Change PEM QuickChange Gears Set 7Q 4.11 Ratio 4.70 / 3.60 4.86 Ratio 5.55 / 4.25 Made from high grade gear steel Hobbed and fully heat treated 10 Spline Bryke Racing Part #: PEM 61007Q.
