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Disclaimer

All Proffitt's Cruisers products are sold for off-road use only. A qualified professional mechanic must install all Proffitt’s Cruisers products. Specific installation instructions are available free, on request, prior to purchase.

Do not add, alter, or fabricate any factory or aftermarket parts to increase vehicle height beyond that of the lift provided. Mixing component from different kits and or brands is not recommended. Braking and steering performance are decreased when significantly larger / heavier tires and wheels are used. Take this into consideration while driving.

Most states have some type of law limiting vehicle height. The amount of lift allowed, and how the lift can be achieved, varies greatly. Several states offer exemptions for farm or commercial registered vehicles. It is the vehicle owner's responsibility to check state and local laws to ensure that their vehicle will be in compliance.

Proffitt’s Cruisers makes no claims regarding lifting devices and excludes any and all implied claims. Proffitt’s Cruisers will not be responsible for any altered product, improper installation, or improper use of our products. We will be happy to answer any questions concerning the design, function, and correct use of our products.

Spring over axle conversions require brake and steering modification that are not supplied with the kit. Typically customers utilize extended brake lines, Saginaw power steering and a high-steer setup. It is the customer’s responsibility to use safe and legal means to achieve the modifications.

Rear Axle

Raise the Land Cruiser and position securely onto jack stands. Make sure the Land Cruiser is level front to rear. Remove rear axle. Reinstall springs in their original position with new bushings.

OPTION: The springs may be reversed in order to gain approximately 3 ½ inches of wheelbase.

Using a plasma cutter or torch remove existing spring perches from rear axle and grind the axle smooth. With a floor jack under the pinion yoke, place the rear axle, with the tires and rims bolted on it, back under the Land Cruiser. Set the new spring perches on the axle tube directly above the old spring perch location (38 inches center to center). Now lower the Land Cruiser on to the perches until the full weight of the rear of the cruiser is being supported. Leave the jack stands under the Land Cruiser in a position as to keep the rig from falling if it was to slip off the rear axle. If necessary, adjust the height of the front of the Land Cruiser to maintain a level stance. Using the floor jack, adjust the rear pinion angle. Different drive trains will warrant different pinion angles. If a CV joint is going to be used at the t-case, the pinion should be pointed directly at the t-case output yoke. If u-joints are being retained, then the pinion should be pointed lower than the t-case yoke. A 10 to 13 degree angle should accommodate most drive train combinations.

When the pinion angle is set, tack weld the perches to the axle. Double-check all measurements before fully welding the perches. After the perches are welded on, bolt up the rear axle using the original u-bolts and plates. Later cruisers may require that the shock mount be cut off the plate. In this case, new shock mounts should be welded onto the axle.

If the springs were reversed, weld two new shock mount pins to the BACK of the cross member that the factory shock mounts are attached to. These new shock mounts should be approximately 4” closer together than the original shock mounts in order to accommodate longer shocks.

Front axle

Remove the front bumper, front axle, leaf springs, and steering components. Using a plasma cutter or torch, cut off the factory spring and shackle hangers and grind the frame smooth.

Tack weld the front spring hanger to the frame, ¼ inch back from the front of the frame. Use a straight edge across the front of both hangers to make sure that the mounts are square. Weld them on.

Drill or cut a 1-½ inch hole through the frame for the shackle hanger sleeve (42 inches back from the center of the spring hanger).

Make sure that the frame sleeve is square and weld the frame sleeve into position. Reinstall springs with new bushings.

OPTION: The front springs may also be reversed in order to gain approximately 3 ½ inches of wheelbase. (If this is done the front shock mount on the frame will have to be reinstalled facing forward and the fender will need to be trimmed).

Swap all axle components over to the cut & turned axle housing provided with the kit and install it under the leaf springs with the original u-bolts and plates (the long u-bolt will need to be bent to accommodate the change in pinion angle).

Determine shock length by measuring shock mount to shock mount for each shock on both axles. Most shock retailers can provide the appropriate shock with that measurement.

At this time, a track bar for the rear axle needs to be fabricated. A track bar is necessary to prevent axle wrap. The picture provided is for your reference only. Due to the individual nature of each Cruiser, Proffitt’s Cruisers does not offer a track bar kit.