Traxxas Slash (2WD). New BL2s or VXL.
Arrma Senton 3S BLX. 4x4 would be better. (The 4x2 versions don't preform well as its 2wd on a 4wd chassis) But I believe its 340.
Associated SC10 pro 2 (2wd)
Traxxas - parts are everywhere and anywhere
Arrma - Parts are somewhat everywhere
Associated parts...