The HUDY 107051 tool set equips model mechanics to service .21 engines accurately. It bundles specialised pullers and pressers for secure removal and installation of front and rear bearings, alongside exchangeable bushings and optional collets to suit both .12 and .21 units.
Forged from HUDY Spring Steel and black-hardcoated 7075 T6 aluminium, each piece is CNC machined for high accuracy. The robust materials and fine machining ensure the kit endures frequent workshop use while keeping operations precise.
The kit is expandable through separate collets and presser adapter sets so it can be adapted to many engine bearings. The available components are:
The #107061 collet works with bearing inner diameters from 11.5mm to about 12mm, and the #107064 collet accommodates bearings up to roughly 14.5mm, covering the most common sizes for these engines.
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