ORIGINAL: ICrashThings
Get new tires. Pipe would also be great. Ball bearings can never hurt and aluminum shocks will be a VERY good investment.[8D]
For an engine though, I guess anything is better then what came stock. Get the RPM GT a-arms for durability.
hold up i thought that when you put the gt a-arms on the st-15 the rear hub carries or what ever dunt fit correctly