Spicer Kingpin Bushings – Pre-Size vs. Reamable - Manual (Page 2)

Below you will find the new allowable endplay measurement for pre-sized bushings. You will also find a
listing of benefits and differences between pre-sized and reamable bushings.
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The endplay measurements taken after
assembly should not exceed .008” at the
“Top” or “Bottom” of the knuckle.
It is important to locate the dial indicator
at the correct locations on the knuckle
when taking endplay measurements.
Top of Knuckle Indicator
Location
Bottom of Knuckle Indicator
Location
Benefits of Pre-sized Bushings vs. Reamable Bushings
Longer bushing life by eliminating damage during reaming process •
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Shorter repair times means less down time on the vehicle
Eliminate expensive reaming tools
Differences Between Pre-sized Bushings vs. Reamable Bushings
Larger tolerances between kingpin and bushings
Pre-sized = .0057” Reamable = .0025”
Allowable endplay measurements for pre-sized bushings vs. reamable bushings •
Pre-sized - .000” to .008” Reamable - .000” to .004”
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