This set of GR5 Titanium turnbuckles are made in the USA and is a great hop-up for your shelf queen and vintage racer (including rereleases).

This kit includes 6 turnbuckles including:  4*1.375" and 2*1.625"
 
Generic picture for reference only.
 
NOW AVAILABLE with the following options:
1) M3 in polished Ti finish. Available with optional RPM 4.3 ballcups which are available as an add-on.  https://www.dragonpunchrc.com/product-page/rpm-heavy-4-3-duty-rod-end-ball-cup-set-16-pack
2) Heavy Duty M3.5 polished Ti which are meant to to be used with modern Ball cups