| Valve Spring - Spring Rate Chart Submitted by Terry Parker of Vmax Racing Engines. | Carb Jet/Needle Chart Ever wonder just how much change you were making to the engine by turning the jet needle? You can see it right here. Submitted by Terry Parker of Vmax Racing Engines. |
| Valve Spring Tester - A VERY accurate valve spring tester. This model uses your existing drill press and a digital scale. All for less than $100!! | |
| Valve Spring Tester-Another version of an air-cylinder type tester. Submitted by Terry Parker of Vmax Racing Engines. | Valve Spring Installed Height Tester-A VERY neat way to check installed height. Submitted by Terry Parker of Vmax Racing Engines. |
| Low Cost Piston Stop - Submitted by Terry Parker of Vmax Racing Engines. | Rod Length Checker - Submitted by Terry Parker of Vmax Racing Engines. |
| $30 Digital Speedometer | Sparkplug Cross-Reference |
| Cam Twister | Spark Plug Tester |
| Blueprinting and maintenance of your own 4-cycle clutch | Tach Recorder |
| Tach Recorder-(another version) | Tire Prep - Make your own Tire Prep. |
| Rolling Kart Stand | Pop-Off Gauge |
| Scale Stands | Leakdown Tester |
| Valve Spring Tester-Fish Scale Style | Valve Seat Pressure Tester-Air Cylinder Style |
| Rod Honing Jig | Flow bench |
| Hydraulic Dyno | Valve Leakage Tester |
| Cam Master - Submitted by Terry Parker of Vmax Racing Engines. | Pipe Master Plus - Submitted by Terry Parker of Vmax Racing Engines. |
| Tire Balancer |