Puller + installer kit removes/installs main shaft inner bearing race without shaft damage; pro-grade results in minutes.
Correct replacement for OEM service tool 34902-84; precise fit for 5- & 6-speed Big Twins.
Heat-treated, heavy-duty steel with corrosion-resistant finish for shop durability and repeat use.
Wide compatibility: Big Twin platforms 1984-present for service on Evo, Twin Cam, Milwaukee-Eight models.

Designed for professional techs yet DIY-friendly; clear setup with minimal teardown required.

Fitment Chart

Make	Model	Engine	Years
Harley-Davidson	Touring (Road King, Road Glide, Street Glide, Electra Glide)	Evo 1340 / Twin Cam 88–110 / Milwaukee-Eight 107–117	1984–Present
Harley-Davidson	Softail family	Evo 1340 / Twin Cam 88–110 / Milwaukee-Eight 107–117	1984–Present
Harley-Davidson	Dyna family	Evo 1340 / Twin Cam 88–110	1991–2017
Harley-Davidson	FXR	Evo 1340	1984–1994

Tool function & fitment reference: designed for Big Twin 5- & 6-speed transmissions, 1984-present; replaces OEM 34902-84.

Service Big Twin transmissions the right way. The Oni Tools Mainshaft Inner Bearing Race Puller & Installer is engineered to remove and install the inner race cleanly—protecting the mainshaft and surrounding components while saving bench time. Precision-machined, heat-treated steel delivers the clamping force and stability pros expect, and it replaces OEM service tool 34902-84 for seamless workflow. Compatible with 5- and 6-speed Big Twins (1984–present)—including Evo 1340, Twin Cam (88/96/103/110) and Milwaukee-Eight (107/114/117) applications—this kit helps eliminate race walk and seal wear after primary or transmission work. Ideal for dealership service bays and home garages alike, it’s the reliable, repeat-use solution for bearing race removal and installation on touring, Softail, Dyna and FXR platforms. (Some sellers note a special procedure for 2006 Dyna—verify before service.)

Alignment Kits