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Skyjacker 4" 99-UP SUPERDUTY DIESEL (2x skyF945S, 1x skySE90F)

SKU: SKYF945

SKY Leaf Springs...

Skyjacker 4" 99-UP SUPERDUTY DIESEL (2x skyF945S, 1x skySE90F)

SKU: SKYF945

SKY Leaf Springs...

A$2,288.25
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Softride® springs use only American steel and the individual leafs of each spring are shot-peened with hard steel pellets at very high velocities. This shot-peening compresses the surface of the steel thereby increasing the tensile strength of the spring. Without this shot-peening procedure, the maximum wheel travel and ride quality could not be achieved without sacrificing the life of the spring. Softride® springs use bolt style spring clips, eliminating friction. Other spring designs use the cinch style bend clips which bend tightly over the spring leafs causing binding and friction. Skyjacker® Softride® springs taper over the entire length of the leaf creating more flex at the leaf ends. This tapering distributes loads more evenly over a greater area and reduces the tendency for one leaf to dig into the leaf above it.

Product Overview

Softride® springs use only American steel and the individual leafs of each spring are shot-peened with hard steel pellets at very high velocities. This shot-peening compresses the surface of the steel thereby increasing the tensile strength of the spring. Without this shot-peening procedure, the maximum wheel travel and ride quality could not be achieved without sacrificing the life of the spring. Softride® springs use bolt style spring clips, eliminating friction. Other spring designs use the cinch style bend clips which bend tightly over the spring leafs causing binding and friction. Skyjacker® Softride® springs taper over the entire length of the leaf creating more flex at the leaf ends. This tapering distributes loads more evenly over a greater area and reduces the tendency for one leaf to dig into the leaf above it.

Product Details

Description:4IN. 99-UP SUPERDUTY DIESEL
Lift/Drop Height (in.):4
Lift/Drop Height:4 in.
WARNING CA Proposition 65 Message:California Residents- WARNING: Cancer and/or other Reproductive Harm. (For more information go to www.p65warnings.ca.gov)
WARNING CA Proposition 65:Yes

This is a group bundle consisting of:

ImageQtySKUMFR SKUUPCDescription
1xskySE90FSE90F803696158761Skyjacker Leaf Spring Bushing 2004-2004 Ford F-250 Super Duty
2xskyF945SF945S803696130088Skyjacker Leaf Spring 1999-2004 Ford F-250 Super Duty 4 Wheel Drive

Bundled group items may ship from multiple locations and could have slightly longer transit times if parts are sourced from different warehouses.

Images in this listing may include individual and/or group shots of the products included in the bundle. Please refer to the table to see a breakdown of what is included. Click on a SKU to see individual item details.

For details on the individual components in this bundle, click here.

Data: v4.2 - Upd: 2026-09-30 15:43:09

Specifications

Description:
4IN. 99-UP SUPERDUTY DIESEL
Lift/Drop Height (in.):
4
Lift/Drop Height:
4 in.
WARNING CA Proposition 65 Message:
California Residents- WARNING: Cancer and/or other Reproductive Harm. (For more information go to www.p65warnings.ca.gov)
WARNING CA Proposition 65:
Yes

Reference Information

Brand Name/s Skyjacker
StreetFX SKU skyF945
SFX Item ID 4562221
Supplier Item Code 4562221
Manufacturer SKU F945
Manufacturer UPC N/A
Alternative References sky-F945S, F945S, sky-SE90F, SE90F, 224402G, 99-UP

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