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WFO Concepts
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Details about  Axle Shims, 4 degree, steel wedge, caster pinion angle

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Axle Shims, 4 degree, steel wedge, caster pinion angle
Item Sold
Item condition:
Nov 30, 2013
US $39.00
FREE Expedited Shipping | See details
Item location:
Auburn, California, United States


eBay item number:
Seller assumes all responsibility for this listing.
Last updated on  Jan 24, 2013 09:09:35 PST  View all revisions

Item specifics

Condition: New Part Brand: WFO Concepts
Surface Finish: steel Placement on Vehicle: Left, Right, Front, Rear
Warranty: No
Visit Store:   WFO Concepts

One PAIR of 4 degree shims.  These 4 degree steel shims are designed to change the  solid axle pinion or caster angle on a leaf sprung vehicle. These shims are 2.5” wide, and work with 2.5” wide leaf spring packs. They are CNC machined from mild steel, and have a 5/16” center pin hole milled and drilled into them. If you have larger center pins, simply drill the center hole out. THESE SHIMS ARE DESIGNED TO BOLT INTO YOUR LEAF SPRING PACK! You will need to clamp your springs, remove the center pin, and bolt the shim into the spring pack! If you are using these shims on a front axle, please read the paragraph below on “Caster Angle”. We offer these shims in 2, 4, 6, and 8 degree sizes. These are sold as a pair!  They will be shipped via the Post office in a small flat rate box.  Be sure that you give your mailing address.  Dimensions of the shim are:  length = 5", height (thick end) = 0.46", height (thin end) = 0.11".

Caster Angle: Caster angle is something that is very important on front axle geometry. On a fully off-road vehicle that does not see speeds over 15mph, you can get away with poor caster angle. If you are working on anything else, please read this! Caster Angle is the angle that the knuckles sit at, compared to the ground. If you shim your front pinion up or down, the caster angle with change with the shims. The less caster angle you have, the more the vehicle will dart around on the highway. The more caster you have, the straighter the vehicle will drive. A drag race car will tend to have up to 18 degrees of caster. The first thing that everybody does when they lift their 4x4, is install shims to point the differential up at the transfer case. Even though this does fix some driveline angle issues, it usually does more damage with the steering geometry than it is worth. On a Dana 44, we suggest 5 degrees of caster angle. On a Dana 60, we suggest 3 degrees of caster angle. This means that the knuckles will be leaning back at the above angles. It you had high-steer arms on the knuckles, the arms would be pointing up at the front bumper at 5 degrees. Even on a fully off-road buggy, at no point should you ever go past 0 degrees and point the knuckles down at the ground in front! If you need to make your driveline work at a steep angle, check the u-joint or yoke sections for high angle u-joints and high angle yokes.

All items shipped in California will be charged 7.375% sales tax.

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