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Trail-Gear Rock Assault Axle Housings

Rock Assault™ Front Axle Housing

Suits Toyota Hilux

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 with all new parts. That's right, our axle housing is not made with 30-year-old used knuckle balls. Our knuckle balls are forged from 1035 steel, making them much stronger than stock, eliminating closed or bent knuckle balls.

The axle tubes have been offset above the housing centerline, so the inner axles ride near the bottom of the axle tubes rather than in the center. The result is an increase of 3/8" in ground clearance under the axle tubes. The axle tubes are made from 5/16" thick 1020 DOM tubing with an outer diameter of 3". The short side of the axle tube has been lengthened by 3", making the axle IFS width, so there is no need to run wheel spacers. A 27 or 30 spline short side chromoly axle shaft will be supplied with the axle housing.

The heavy-duty, press formed, 1/4" plate steel center section is shaved to give you 3/4" of additional ground clearance under the differential. The differential mounting surface is made from 1/2" plate steel to ensure studs can not pull out, even under heavy loads. Our housings are precision alignment checked using start-of-the-art, 3D digital imaging equipment to ensure that all Rock Assault™ Axle Housings are 100% straight and true.

The Rock Assault™ Front Axle Housing will come in your choice of bare tubes, with spring perches installed, or 3-link ready with a panhard bracket included. For an additional charge we can install an inspection cap making inspecting your front ring and pinion a breeze. Axle housing is shipped unpainted and lightly oiled to prevent rust during shipping and storage.

59" from WMS to WMS.

Available Options:

  • Rock Assault™ Front Axle Housing w/Short Side Truss Only - 140275-1-K
  • Rock Assault™ Front Axle Housing w/Spring Perches - 140267-1-K
  • Rock Assault™ Front Axle Housing w/3-Link Panhard Bracket - 140274-1-K
  • Rock Assault™ Front Axle Housing w/Short Side Truss Only, E-Locker - 140287-1-K
  • Rock Assault™ Front Axle Housing w/Spring Perches, E-Locker - 140288-1-K
  • Rock Assault™ Front Axle Housing w/3-Link Panhard Bracket, E-Locker - 140289-1-K

Note; when using a Rock Assault™ Front Axle Housing with our Front 3-Link Kit, you cannot use hi-steer.

Rock Assault™ Rear Axle Housing

Suits Toyota Hilux

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 housing to ensure unparalleled strength.

Trail-Gear introduces a new concept to the axle housing design.  This exclusive design features axle tubes that have been offset above the housing centerline. The inner axles ride near the bottom of the axle tubes rather than in the center.  The results are an increase of  3/8" ground clearance under the axle tubing.

The heavy-duty, press formed, 1/4" plate steel center section shell is specially shaped to ensure a minimum of 3/4" additional clearance under the differential.  The differential mounting surface is made from ˝” plate steel to ensure studs can not pull out, even under heavy loads.  The outer offset flanges are made from 4130 Chromoly to prevent distortion or bending.  Housings are precision aligned using start-of-the-art, 3D digital imaging equipment.

The Rock-Assault™ axle housings use stock or aftermarket 1986-1995 Toyota Pickup/4Runner axle shafts.  An optional fill / inspection cap can be installed for an additional fee.

Overall housing length is 51 3/8" mounting flange to mounting flange. Empty housing is 54 lbs. Includes drain plug. Spring perches, shock mounts, and vent not included. Differential stud kit and RTV silicone are included and are recommended for use with this axle. Unpainted bare-metal, oiled finish to prevent rusting.  We recommend that you degrease the housing inside and out before installation and painting.

The original design concept for this axle was created by Jason (Locktup) Stanley. This rugged, high clearance design proved to be extremely tough and helped Team Trail-Gear win first place in the 2007 We-Rock F-Toy Series. Thanks Jason!

Available options:

  • Rear Axle Housing, IFS width - 140187-1-K
  • Rear Axle Housing, IFS width, Electric Locker Style - 140210-1-K
  • Rear Tacoma Axle Housing - 140211-1-K
  • Rear Tacoma Axle Housing, E-Locker Style - 140212-1-K

Rock Assault™ Left-Hand Drop
Front Axle Housing

Suits Toyota Hilux

Our Rock Assault™ Left-Hand Drop Front Axle Housing works great for 95 1/2 - 04 Tacomas with left-hand drop t-cases.

Does not come with short side shaft. 59" from WMS to WMS. Center pin width on all of our front housings is 29" from spring perch to spring perch.

Available Options:

  • Rock Assault™ Front Axle Housing, Left-Hand Drop, Bare, 140284-1-K
  • Rock Assault™ Front Axle Housing, Left-Hand Drop, w/Spring Perches, 140285-1-K
  • Rock Assault™ Front Axle Housing, Left-Hand Drop, Bare, E-Locker, 140290-1-K
  • Rock Assault™ Front Axle Housing, Left-Hand Drop, w/Spring Perches, E-Locker, 140291-1-K

Rear Axle Bearing Pocket

Trail-Gear 140194-1

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 aftermarket disc brake kit (coming soon). No junk yard or used parts are required.

Before we made this product you would have to steal the bearing pockets from another rear axle in order to use our Rock Assault™ housings. Now you can build a completely new axle with no used parts whatsoever (after market disc brake kit required). These bearing pockets are sold individually, two are required to build one rear axle housing

Rear Axle Upper Link Mount

Trail-Gear 110119-1

We can also set up your rear Rock Assault axle housing with an upper link mount kit. This bracket is designed to accommodate 1.25" Creeper Joints. The upper link mount kit can be ordered loose as a do-it your-self install, or it can be ordered installed onto a housing if you are ordering a housing at the same time.

Note; this bracket is cut to fit the Trail-Gear Rock Assault rear axle housing and will not fit a factory stock rear housing. This product is not compatible with the Trail-Gear "Creeper Breather" diff vent kit.

Fill/ Inspection Cap

Trail-Gear 140184-1-K

Extra large differential fill and inspection cap. Designed to allow quick access for inspecting the ring gear. Features 1.5" diameter access hole. Threaded aluminum cap uses a rubber o-ring for a tight seal. Installation requires cutting a hole in to the top of the differential housing and welding on a threaded bung. Kit includes: one threaded bung, one cap and one o-ring. Plug kit can be ordered loose as a do-it your-self install or it can be ordered installed into a housing if you are ordering a housing at the same time.

Rock Assault™ Steering Stops

Trail-Gear 140273-1-K

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 about smashing or distorting them. The Rock Assault™ Steeing Stops are designed for our Rock Assault™ Front Axle Housing, but they will fit on any axle hosuing. Kit contains 4 steering stops. Some minor grinding may be required during installation.

Rock Assault™ Front Axle Truss

Trail-Gear 110167-1

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 will not only give you the peace of mind that your Rock Assault™ Axle Housing will last a lifetime, but it adds a sharp durable look to the axle housing.

Note; some minor grinding and clearancing may be required for correct fitment.

Rock Assault™ Front Axle
Shock Mounts

Trail-Gear 110175-1-K

These shock mounts are designed to weld directly on to the Rock Assault™ Front Axle Housing. Sold as a pair.

Snake Racing 4x4 Shop
Trail-Gear Steering Systems

Trail-Gear Warranty Policy

Snake Racing is an authorised Trail-Gear distributor. All Trail-Gear products purchased through Snake Racing carry a manufacture warranty against defects in material or workmanship by Trail-Gear. The Trail-Gear limited lifetime manufactures warranty applies to select products only, all other Trail-Gear products carry a 12 month manufactures warranty from the date of purchase.

All products must be returned to Snake Racing for processing of warranty claims. Return shipping costs to Snake Racing are the responsibility of the customer. All returned boxes must have the original invoice number clearly marked on the outside of the box or a copy of the invoice inside. All warranties apply only to the original purchaser. Please contact Snake Racing prior to returning any products.

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