Rocky Mountain Parabolic Springs are manufactured to ISO standards. These rugged springs have
features perfected over many years of
springs to leading truck manufacturers. The
spring leaves are tapered, heat treated, and
peened under load for increased strength.
in the material are evenly distributed along
of the leaf. There is generous contact area on
points, and stresses caused by drilling are
by having the guide straps positioned near the
the leaves. The clamp area under the axles is
flat to prevent preload. Spring bushings are a
1 1/4 inches diameter for greater flexibility and
this increased curvature reduces stress in the
eyes. Springs are supplied in pairs and
correct 'U' bolts, nuts and washers needed to
Fitting 'Rocky Mountain' parabolic springs will
loaded ride height of your Land Rover by at least one to two
compared to stock springs.
The use of extended shackles to raise the ride
may create stability, and drive line problems and is
Where extended shackles are used (as in military
the extended axle buffer mounting must be retained
overstressing the springs in maximum compression.
PARABOLIC SPRINGS will make a very significant
to your Land Rover and are probably the greatest
worth making to enhance enjoyment of the truck for
Please take a moment to read the notes explaining
and disadvantages of each of the spring sets in our
If you have any further questions please contact us
Please note that with improved ride and articulation there comes increased sensitivity to loading. Additionally, If you are switching from multi leaf springs you may find that the drive shaft U joints require servicing. As multi leaf springs offer little articulation worn U joints may not have been noticable whereas with the new springs they will be required to perform to spec.
73588: All Purpose (Two Leaf)
73588 are front springs used on all
These springs have two parabolic leaves with a
on the second leaf. Like all Rocky Mountain springs
supplied with a matching set of 'U' bolts designed
the Rover axle.
20 kg (pair)
The length of these springs is
to allow the shackles exactly the right amount of
maximizing the range of travel on the spring in both
Springs 73589: Two Leaf $264.00 USD/PAIR
73589 are medium duty rear springs with
leaves, used on '86' and '88' models where softer
maximum axle articulation are desired. If you use
or '88' with two adults and their gear,
springs. Clips positioned at the eyes prevent leaf
at maximum articluation. An additional pad under the
leaf reinforces the assembly. These springs do not
you carrying heavier loads but you have to accept
rear of the truck will deflect more when such loads
are carried. These springs suit the majority of SWB trucks.
25 kg (pair)
CAUTION:Two leaf rears may increase body sway
if you use a roof rack, as a result of the the
center of gravity. You
should concider three leaf rears for these applications and do not
use these springs if you use your Land Rover for
Springs 73590: Three Leaf $353.00 USD/PAIR
73590 are standard duty three leaf parabolic
springs. If you
often load your '86' or '88' to the maximum rated
these springs. Also use 73590 on stock '107' and
used for general utility.
38 kg (pair)
On '86' and '88' models the 73590
the correct choice if you use a
or tow a heavy trailer.
If your standard '109' has a heavy custom camper conversion or other heavy modification to the load area you may require a 73591 fourth leaf spring addition.
Fourth Leaf $150.00 USD/PAIR
73591 are a heavy duty fourth leaf rear spring to be added to the 73590 used on '107' and '109' models for service where heavy loading is normal. These springs are usually fitted to five door "Safari" models. If you plan an expedition or have fitted a camper conversion on your regular '109' use these springs.
46 kg (pair)
CAUTION:If these springs are fitted to
'109' such as a canvas topped or pickup cab model,
springs can raise the unloaded bed height to the
modifications to the shock absorber mountings will
Parabolic springs may not be the best choice on the
a Land Rover such as a canvas topped or truck cab
you want to load the truck to it's maximum rated
The range or loads applied extends and compresses
Parabolic spring beyond the range of any shock
can be fitted to the normal shock absorber