Billet aluminum construction Two-piece clamp-on design Fit most 1-1/4" T-Bars with 3-1/2" on-center pullback risers Made in the U.S.A. Not for use with XL880C/1200C OEM gauge. Gauge mounts without cups; may require the use of an OEM gasket.. MNT MIN GAUGE 1.5 B T-BAR