| Manufacturer | |
| Factory Five | www.factoryfive.com |
| Forums | |
| Factory Five Forums | www.ffcars.com |
| Club Cobra Forums | www.clubcobra.com |
| The Factory Five Forum | www.thefactoryfiveforum.com |
| Hardware | |
| Mc Master Carr | www.mcmaster.com |
| Air Craft Spruce | www.aircraftspruce.com |
| Metal | |
| Online Metals | www.onlinemetals.com |
| Speedy Metals | www.speedymetals.com |
| Parts | |
| Potential Wheels | www.boydcoddingtonusa.com |
| Reference | |
| Gear Ratio Calc | Gear Ratio |