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Need help with installation?
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It was British Pacific that first introduced
the US to Air Lockers back in '85, and they remain the best
differential option for all models of Land Rover. Designed
specifically for Range Rover, Land Rover Defender, Discovery,
LR3 and all Series trucks with Rover and Salisbury type axles.
At the touch of a button, you can lock one or both axles,
for maximum power application and traction.
Virtually every other system permits some slip: if one wheel
on an axle is unloaded it is impossible to apply full power
to the other on the same axle. Air Lockers will get you through
where limited slips, Detroit Lockers, or True Tracks fail,
and they are usually cheaper to boot. Air Lockers are vital
for loose sand, mud, rock crawling, snow, or extreme axle
articulation.
On late model trucks with center locking differentials, the
axles are still open (only one wheel powers the axle at a
time), so don't be confused into thinking that your late model
is a true 4WD because it has a center differential lock. Lock
the center differential, engage both Air Lockers, and THEN
you're armed for bear!
Air Lockers operate silently, because air makes less noise
than ratchets or clutch packs. And there's no unexpected jerking:
you control when the locker engages.
 The
Air Locker differential housings are also stronger than original
equipment. The air locker compressor is a tough and tested
unit, capable of sustained operation, and can be used to inflate
tires that were aired down for better loose surface traction.
To fit your Land Rover with Air Lockers, you need (A) the
compressor, and (B) the locking differential units (one per
axle). With a Series truck, or when using 4:70 or 4:11 ring
& pinions in late models (which we recommend doing at the
same time, especially if you have larger than stock tires),
you will need a ring gear spacer. When fitting 4:70's or 4:11's
to Discoverys with 'Rotoflex' couplings, a Range Rover style
drive shaft and drive flange will be required, also available
through BP. When fitting lockers to late models, only the
compressor and differential(s) are required. If you have any
questions, no one in the US has more experience with these
systems than we do!
Air Compressor Kit
' RDCKA'
Locking Differential
Kit (optional use of 1 or
2)
'RD03'
fits Series trucks and early Range
Rover to '93 with 10 spline axles
'RD128'
fits Defenders, Discoverys, and Range Rovers
after '94 with 24 spline axles
Salisbury Differential
Kit
'RD32'
Ring Gear Spacer (use
with 4:70 gears, + long bolts)
'RD03A'
Tire Pump Up Kit
(optional for tire inflation)
'PUKT'
We also stock 4:7
and 4:1 gears, drive flanges, and drive shaft to convert
Range Rovers, Land Rover Discoverys, and Defenders to
lower final drive ratios for even better off road performance.
And from one of our customers:
"Greetings, Rover enthusiasts! My name
is Huston, and I own a 1993 Defender 110 with a Salisbury
rear end. I am a member of Southern California Land Rover
group. In preparation for the 2007 'Rover Rendezvous' near
Death Valley I installed an ARB locker and compressor. What
a huge difference in traction. No spinning tires or revving
engine that can break parts. I have to thank British Pacific
for providing all the parts fast, next day usually and at
great prices. Plenty of technical advice from decades of
experience and super nice, patient guys always there to help.
As a novice tinkerer British Pacific really makes it fun
to own a Land Rover. I would like to thank everybody at British
Pacific for officially sponsoring SCLR and providing a great
source for parts and advice. Thanks guys and keep up the
great work!"
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Need help
with Installation?
Would you prefer to have this product professionally
installed in your Rover? Here is a list
of service companies that we can recommend to do
the job for you. If you like, we can ship
your parts directly to the company doing the installation.
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