HPI Differential Locker Spool Diff Hub (2) HPI88073
HPI88073 Differential Locker Spool Diff Hub

HPI Differential Locker Spool Diff Hub (2) HPI88073

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HPI locked diffs give more traction for rock crawling than the stock open diffs. They’re direct bolt-in parts built to factory specifications for a perfect fit. Each package contains two lockers, enough to convert the front and rear diffs.

  • HPI Crawler King

Review Summary


5 Stars locker

todd from IA wrote (October 01, 2013):

haven't used them yet but I can definitely see why I wanted them. I could have gotten out of some driving trouble if I put them in earlier.

5 Stars diff lockers

Christopher from IL wrote (June 15, 2012):

diff lockers=now able to flip the truck back on all four wheels when overturned on it's side. Trade off is a much wider turning radius.