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King Springs Coil Springs Tapered Wire Comfort 2 Inch (50mm) Lift Suitable For Suitable For Nissan Patrol Y62 Non KDSS (No Load) Front (Pair) - KDPR-302

Brand:  King Springs Product ID:  36813
SKU:  KDPR-302
     (This item could be out of stock. If it is, we will contact you after your order is placed. Alternately, please contact us to check current stock levels.)
RRP:  $293.00
Special Price:  $284.00  (Pair)
SAVE:  $9.00

Supply Only Price.

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KING SPRINGS TAPERED WIRE / PROGRESSIVE RATE COIL SPRING "The Intelligent Coil Spring"

There is no disputing the advantage of increasing the spring rate in a vehicle to improve vehicle stability and load carrying capacity, however, in many vehicles we are often confronted with three major considerations:

  • Ride Comfort
  • Shock Absorber Control
  • Spring Entrapment

RIDE COMFORT is always a consideration. The spring rate must increase enough to give improvement without causing undue harshness.

SHOCK ABSORBER CONTROL - The shock absorber obviously plays a vital role in controlling a vehicle's stability. Excessive spring rate can often find shock absorbers struggling to control the vehicle (lack of rebound control).

SPRING ENTRAPMENT - When an increase in spring rate and decrease in vehicle ride height is required, spring entrapment can become a problem. Previously, the only solution being a compromise of minimal increase in spring rate and/or minimal decrease in vehicle ride height giving unsatisfactory results (suspension bottoming or not low enough).

ENTER THE KING SPRINGS TAPERED WIRE / PROGRESSIVE RATE COIL SPRINGS

Progressive rate springs are the ultimate in spring design. The principle is simple. The spring rate increases when you need it (cornering, load carrying etc.) and decreases it when you don't. The science behind designing a progressive rate coil is knowing over what suspension travel and to what degree the spring rate will increase. This varies greatly between vehicles. Referring to the above 3 conditions with King Springs Tapered Wire / Performance Progressive Rate Springs a substantial spring rate increase is achieved with minimal loss of ride comfort as the spring rate increases and decreases where necessary. As the spring de-rates (the spring rate decreases) the shock absorber no longer struggles for rebound control and gives improved vehicle stability.

With the King's Tapered Wire / Progressive Rate Coil Springs, spring entrapment problems are now often solved with substantial spring rate increases and ride height decreases available.


KING SPRINGS PERFORMANCE TAPERED WIRE / PROGRESSIVE RATE COIL SPRING
"The Intelligent Coil Spring"


Progressive Rate Design Principles

Remembering the principle, 'the less coils in a spring, the higher the spring rate' as the spring compresses under load the gathered coils come into contact and become inactive thus increasing the spring rate. The point at which each coil comes into contact and the rate of increase is the result of extensive research, development and testing on advanced testing equipment.

De-Rate

King's Tapered Wire / Progressive Rate Springs in most cases are designed around the De-rate principle, i.e.; the critical part of the suspension travel from ride height back to full suspension drop. The aim is to allow the spring rate to decrease smoothly back to original spring rate or as close as possible.

Example:

Original Spring Rate 120lb/"
Heavy Duty Linear Spring Rate 160lb/"
King's Progressive Spring Rate 130lb/" to 200lb/"

Result:

The above progressive rate spring would have similar or more improved ride quality than the heavy duty spring with a substantially higher spring rate being achieved at ride height.

Please Note: Tapered Wire / Progressive Rate Springs are not necessary for all vehicles and are only used in specific vehicles recommended by King Springs depending on suspension type and spring travel.

King's Tapered Wire / Progressive Rate Springs have the unique ability to allow many part numbers to cross reference not only between different vehicles but also front and rear. As the load varies in all cases, the spring rate adjusts accordingly

Genuine/Non Genuine – Advertised parts are not genuine (unless specifically stated) and manufacturer references are for application purposes only. Only items that are specifically noted as Genuine OEM can be presumed as genuine parts.

Superior Engineering is not sponsored, approved, affiliated or otherwise associated with any genuine or original parts manufacturer, distributor or dealer.


Identification and Guidance Only – Photos are for identification purposes only and may be of either genuine or non-genuine parts.
All manufacturers names, symbols and descriptions on this website are used for reference purposes only, and it is not implied that any units or parts listed is the product of these manufacturers.

Original Equipment Manufacturer "OEM" part/reference numbers are listed for information/reference purposes only. Trademarks identifying these parts are those of each OEM and are the property of their owners and are not used, or authorized for use, by Superior Engineering. Cross-referenced parts from the Original Equipment Manufacturer "OEM" are listed for information purposes only.

Superior Engineering has no associations and/or claims to be associated with OEM Vehicle Manufacturers and their Companies worldwide. Any implied associations are purely coincidental and are not inferred. Superior Engineering is a supplier of fully interchangeable non-genuine spare parts (alternatives) for equipment produced by manufacturers using in accordance with law OEM Vehicle Manufacturers and their products, i.e. suspension parts, steering components, manufactured items, vehicle accessories etc. Alternative spare parts produced by Superior Engineering are manufactured according own technological documentation developed with the use of reverse engineering.
Vehicle Information
Lift Height0-2 inch