Hpi Pro4 2005 edition

The USA/ Europe 2005 Spec Pro 4 will have the following:

All standard Pro 4 features
+2.5mm main chassis (original main chassis)
+new upper deck (as shown -- more lateral flex, same fore to aft stiffness, reduced chance of tweaking on impacts, with cone washers and o-rings over the steering posts as used by Hara) +new motor mount (as shown)
+new shocks (fluorine coated, new bladders, new pistons, new shafts, as shown)
+Delrin diff out drives
+new 1 piece aluminum rear input shaft (combines spur adapter and shaft, with solid pins, much more rigid gear mounting, different than Japanese spec parts)
+new aluminum front input shaft
+new diff nut and new diff screw (larger screw size + T-nut)
+aluminum steering servo mounts
+Spool and One Way will be included
+full range of pivot block spacers to adjust block heights
+0, 2.0, 2.5 and 3.0 degree pivot blocks included
+Heavy Duty, Self Lubricating Ball Cups are also included

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好车！！

改进的地方真多，包括齿轮部分。好车

请问一下都改进了什么地方