8507 Quick Change Gear Set For 8500 Series 10 Spline Set 7 Steel Construction With 1.130 Spur Ratio Includes Ratios 4.12 4.66 3.65 4.86 5.49 4.30 Built For Precision Tuning And Durable Street Track And Off Road Performance

8500 Series Quick Change Gear Set, 7-Gear Pack, 1.130 Spur
✔️ 10-spline steel quick-change gear set with 1.130 spur ratio

The 8507 Quick Change Gear Set is a 7-gear pack designed for 8500-series transmissions. Built from steel for durability, this set lets you quickly swap gear ratios to fine-tune performance on street, track, and off-road RC setups.

✅ 7-gear set for 8500 series with 10-spline compatibility
✅ steel construction for durability under racing conditions
✅ includes 1.130 spur ratio plus 4.12, 4.66, 3.65, 4.86, 5.49, 4.30 ratios
✅ designed for precise tuning across street, track, and off-road use

💡 What is a quick-change gear set used for in RC transmissions? This handy accessory helps tune performance quickly. - Handy for dialing in acceleration and top speed in RC transmissions - Helps tailor torque for different track conditions like street, track, and off-road - Works with 8500-series gearboxes for consistent mesh and durability