Downriver Speedway
​Race Classes

Great Racing on a Budget
Box Stock Class for
​JK's 4" Cheetah 21 Cars.

JK Hawk 7 motor
JK Rear tires min .765
JK O-ring fronts min 5/8
JK Gears 10x36 only
Any JK body

See rules page
​for complete details​
Indy/F1
Exciting
​ Open Wheel Racing
​
​ JK Indy/F1 Cars

​​​​ Hawk 7 Motors
Any JK Tire
Any JK Gear
LMP/GT1
LeMans Prototype

A Fast, Fun Class for 4" Flexi Car Racing.

    All cars must run 
JK Cheetah 21 Chassis
JK Hawk 7 Motor
JK LMP/GT-1 body
JK Tires
JK Gears

See rules page for complete details​
4" Sportsman Series
4 1/2" NASCAR Cup Series
       NASCAR 

Any 4 1/2" Chassis Any NASCAR Body
House S16D Motor

see rules page for complete details