rings bearings and gaskets for around $350
stock they put out 95-100 hp doing a 20R head and a cam will get you 130 ish, read some tech on
www.toysport.comif you want your engine to run out of steam at 3800-4200 stick with the stock cam, but with a 20R head and a nice LCengineering cam you can easily pull out to 60-65 mph in 3rd gear