* New main chassis
* New 1 piece aluminum engine mount
* Updated diff housings
* New 2kd gear mount
* Nickel coated shock shafts
* Hardened steel diff gears
* Tuning springs for front and rear
We have not received pricing or availability information on the SP yet, till we do check out the official Kyosho America Website for more information on all of their other products.
HERE is the link to more Kyosho news right here on BigSquidRC.