Not a Traxxas guru at all Wicked, but I found these links:
Amazon upgrade metal turn buckles: https://www.amazon.com/Adjustable-Turnbuckles-Aluminum-Traxxas-Upgrade/dp/B07VJ43FB8
Amain has 3 different sets: https://www.amainhobbies.com/search?s=Traxxas+drag+slash+bandit+turnbuckles
And Traxxas...