Parts & More Parts
McMaster&Carr
1/4" x 3/4" track border - part # 93695K86
1/4" x 7/16" O Rings (AFX front tires) - part # 9452K171
1/4" x 3/8" O Rings (AFX front tires - low) part #9452K18
Omnitron Electronics
PS-28 SWITCHABLE REGULATED DC POWER SUPPLY 3-12V/ 2A
William T. Hutchinson
Company
Drill Blanks and Drill Rod to make your own axles