We have added a threaded cap to our double shear front knuckles for additional press-out strength. ZRP capped knuckles have been Lab tested to 86,000 lbs over the factory 27,000 lbs.
ZRP double shear front knuckles will ONLY work with standard 7/8 uniballs or rod ends , and uniball cups These will NOT work with standard balljoint a-arms.
Additionally, these knuckles feature a stronger double shear tie rod mounting point. These knuckles are only compatible with aftermarket tie rods that use a 5/8” heim on the knuckle side.
Our knuckles include the following (per set)
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L & R double shear front knuckle
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(4) ARP bolts
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(8) 7/8 uniball misalignment spacers
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(4) anti rotate locking caps w/screws
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LH & RH threaded cap
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Threaded cap removal/install tool
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Wheel bearings installed & torqued
