Spidertrax 40 Spline Ultimate Unit Bearing 6 on 6-1/2" x 5/8" Studs Side:1RH&1LH 120" W Tubing

120" W Tubing

25"-12 RH x 1

the 4" Pro Series Housing is as versatile as it is tough

Bezel: Billet Machined Aluminum

and thrust washer

Spidertrax 40 Spline Ultimate Unit Bearing 6 on 6-1/2" x 5/8" Studs Side:1RH&1LH 120" W TubingUltimate Unit Bearing 40 Spline 6 on 6 1 2" x 5 8" Studs Built ground up for Ultra4 rock racers, the Spidertrax Ultimate Unit Bearing is truly the reinvention of the unit bearing itself. Genuine Timken bearings, full chromoly heat treated construction, left & right hand threaded spindle nuts, and a fully integrated drive slug makes the Ultimate Unit Bearing the only racing unit bearing of its kind. The Ultimate Unit Bearing, the last bearing you'll