A pair of arms that are better than TM Tarantulas and can fit his shoulder ball joint (possibly cruellock/doom lock mold or any others, or a pair arms that end in claws/talons like dinobot or place the talons in a less obstructive location than her stock placement) or legs that can improve TM Airrazor (tighter hip connection, longer, more articulate.) could work.
Hey, I'm willing to send you my bee's spoiler, just let me know what you're willing to pay/trade for it, ok?