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Lockers & Gearing

If you own a Jeep and have an appetite for hard wheeling there’s a fair chance you've got lockers & ratio’s on your bucket list.

True 100% “Locking” Differentials are the ultimate in off road traction and you really can’t beat it. Let’s be honest, at the flick of a switch you get instant forward momentum in just about any sticky situation and once you've experienced it there’s nothing better! In our experience, lockers also provide a level of safety and control when off roading in certain situations. Take for instance a muddy and extremely slippery downhill decent; for the vehicles without lockers engaged, the wheels are traditionally unloaded as people tend to use their brake going down, so whilst you’re sliding down the wheels are experiencing different levels of “Slip & Grip” thus you end up skidding down the hill quicker than you would have liked. Now apply the same situation with a vehicle with lockers and the wheels are 100% locked and rolling at the same speeds and loads – so regardless of which tyre experiences a little ‘lift off’ there is no sudden and dramatic acceleration downhill. Fundamentally – lockers give you much more control both up and downhill.

Murchison’s stock the full range of ARB Air Operated Locking Differentials to suit all models of supported Jeeps and different axle and gearing combinations.

Models Currently Supported:
TJ Wrangler - Front and Rear available
JK Wrangler – Front and Rear available
XJ Cherokee – Front and Rear available
KJ Cherokee – Front and Rear available
KK Cherokee – Front and Rear available
ZJ Grand Cherokee – Front and Rear available
WJ Grand Cherokee – Front only
WH Grand Cherokee - Rear only (non QD2 model)
XH Commander – Rear only (non QD2 model)

Gear Ratio’s:
Changing gear ratio’s has become more affordable in recent years and is pretty much a must when changing out those small stock tyres to much larger sticky rubber. Ratio reduction also helps claw back acceleration and fuel economy once you've loaded up your Jeep and also help’s alleviate the strain on your axles, uni’s and drive-line by reducing load shudder. If you’re in the market for lockers then save up a little more and get the ratio’s installed at the same time – it makes financial sense as at the end of the day and when talking Jeeps Diffs - you only want to pull apart your axles once!