30-Spline 4340 Chromoly Super Set (Longfield) With larger tires and more horsepower being used on the trails these days, upgrades to your axle are more critical than ever. In a Toyota, one of the common failures are the stock 27-spline birfields and...

Rear Rock Assault Axle Housing Kit (IFS Width) The axle tubes are now made from 5/16" thick, high strength DOM tubing and engage 5/8" farther into the center section. On top of that, there is a 360° gusset welded around the tubes on the inside of...

Longfield 30-Spline 4340 Chromoly Super Set (Rock Assault Housings) The Longfield™ birfields are made out of 100% chromoly and are precision polished to remove any imperfections that may cause stress risers. The Longfield™ birfield housing is made out...

RCV Ultimate 30 Spline CV Front Axles Manufactured in the U.S. using only high-strength chromoly materials, RCV Performance Ultimate 30 spline CV Axle set simply replaces your weak Toyota axle shafts with a new high-strength design. The factory axles...