Rock Assault Front Axle Housing (W/ Options) Trail-Gear is proud to introduce the newest addition to the Rock Assault™ Axle Housing family, our Rock Assault™ Front Axle Housing. This exclusive axle design is the first in the industry to be released...

Rock Assault LH Drop Front Axle Housing (With Options) Trail-Gear is proud to introduce the newest addition to the Rock Assault™ Axle Housing family, our Rock Assault™ Front Axle Housing. This exclusive axle design is the first in the industry to be...

Rock Assault Rear Axle Housing (W/ Options) 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 the...

Rock Assault Front Axle Truss The Rock Assault™ Front Axle Truss will weld onto the top of your Rock Assault™ Front Axle Housing for extra protection against bending during competition or other extreme applications. The Rock Assault™ Front Axle Truss...

Inner Axle Seal When you swap out a Birfield joint it's a good idea to change the inner axle seal at the same time to keep the knuckles clean of weeping oil. This is a great part to keep in your tool box for trail side repairs. This product should...

Rock Assault Steering Stops A good set of steering stops is critical so that your steering does not over travel and damage other steering or axle components. Our Rock Assault steering stops are machined from solid billet so you will never have to worry...

Rear Axle Bearing Pocket These rear axle bearing pockets fit most Toyota Pickup and 4Runner axles made from 1979 to 1995. This bearing pocket is made from 4340 chromoly and allows you to use our rear Toyota or Samurai Rock Assault axle housings with an...

Extreme Air Intake (Rock Ripper) Replace your restrictive factory air filter/box with the Rock Ripper Performance Line Extreme Air Intake System. Features: Engineered one piece polished stainless steel intake tubing and high performance air...

Extreme Air Intake (Rock Ripper) Replace your restrictive factory air filter/box with the Rock Ripper Performance Line Extreme Air Intake System. Features: Engineered one piece polished stainless steel intake tubing and high performance air...

Extreme Air Intake (Rock Ripper) Replace your restrictive factory air filter/box with the Rock Ripper Performance Line Extreme Air Intake System. Features: Engineered one piece polished stainless steel intake tubing and high performance air...

Rock Ripper Toy Headers (Smog Legal) The newest addition to our product line, a stainless steel, 50 state legal Toyota header. Our Rock Ripper Toy Header is the best on the market today, it features 100% polished stainless steel 1/16" thick tubes...

Exhaust Manifold Stud and Nut When installing new aftermarket headers, new hardware should be used. An even clamping force is required to keep the header tight against the head in order to seal the exhaust gasket properly. The studs on your truck may...