Ti-FX 12" Top Wing Post Kit Body and 16-7/16" from end of

and 16-7/16" from end of axle to shoulder on right

This coupler has a 11/16" x 36 spline on one end and a 3/4" bore on the other

Measures 15-3/16" from end of axle to shoulder on left

It also allows access to use a socket on the brake caliper bolts for easy removal

Ti-FX 12" Top Wing Post Kit Body and 16-7/16" from end ofHyper Racing # 30 030 Ti FX Top Wing Post Kits include titanium post, 7075 T651 alloy aluminum insert for maximum strength, bearings (2) and gold plated titanium bolts and nuts to hold fast. If the post bends, purchase the post and re use the insert. We use this 12" Length on our outlaw (14sq) winged car and the 10 3 4" length on the A class or U6SA car. Steel ball bearing load surface 7075 T651 alloy aluminum insert for maximum strength Titanium