Kimbrough 48 Pitch (48P) Spur Gear 72 Tooth (72T) KIM143 143 dirt track tires the pre-trimmed rear spoiler is

the pre-trimmed rear spoiler is one of the most trick items on the market

2 Diff Sun Gears

This setup gauge has no moving parts making alignment easy and super accurate

2" bead mounting size for compatibility

Power Requirement Rated Voltage: 4

Kimbrough 48 Pitch (48P) Spur Gear 72 Tooth (72T) KIM143 143 dirt track tires the pre-trimmed rear spoiler isKimbrough spur gears are molded with black 4 6 Nylon plastic, because black dissipates heat into the air better then any other color and high temperatures are not good for thermo setting plastics. This plastic is almost three times tougher and will withstand operating temperatures 75 to 125 higher than plastics used by other R C car gear manufacturers. Kimbrough spur gears are full width, because a narrow or profiled plastic gear can deform under