Standard Adjustable Rear Arms Kit GFR-1287 McAllister Racing Many RC Sprint Car racers

Many RC Sprint Car racers currently run their wings at a very inefficient wing angle

Adjustable differential height to allow drive shaft alignment through all ride height and axle height configurations

aero efficient

RPM has adjusted the shock mount locations slightly to allow more noticeable tuning adjustments when using the inner or outer shock mount holes (while the center hole remains in its stock location)

1:10 scale electric motor and electronic speed control

Standard Adjustable Rear Arms Kit GFR-1287 McAllister Racing Many RC Sprint Car racersTeam GFRP Standard Custom Works Adjustable Rear Arms Kit, GFR 1287 Standard Adjustable rear arm for our Rubber tire, and foam tire dirt oval cars. Works with GFRP cars Apollo, Havoc, GFR1, Assault, Assailant.