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. 6*2.6"

NOW AVAILABLE with the following turnbuckle options:
M3 in polished Ti or PVD coated Black finish. Available with optional RPM 4.3 ballcups or AE B6 ballcups
Heavy Duty M3.5 polished Ti which are meant to to be used with modern RC104WD 5.5mm ball cups which are available as an add on!
 
Add-on ball cup options are as follows:
Vintage RPM HD Ball cups for use with 3mm turnbuckles and 4.3mm Ball Studs:  https://www.dragonpunchrc.com/product-page/rpm-heavy-4-3-duty-rod-end-ball-cup-set-16-pack
Modern Team Associated B6 Ball cups for use with 3mm turnbuckles and Modern 5.5mm Ball studs:  https://www.dragonpunchrc.com/product-page/team-associated-rc10b6-ball-cups 
Modern Team Associated RC104WD ball cups for use with 3.5mm turnbuckles and modern 5.5mm Ball studs:  https://www.dragonpunchrc.com/product-page/rc10-4wd-ball-cups-for-3-5mm-turnbuckles