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Shop Workshop, Garage and Tools Special Tools for Engines
for Crankcases

for Crankcases

Lapping Tools for Motor and Transmission
Lapping Tools for Motor and Transmission
Precision lapping tools for bearing races to establish perfect alignment and proper tolerances. These are exact, pro quality reproductions which HD mechanics use since decades. This combo tool set includes all lap heads for crankcases and transmission cases.
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Slotted Nut Wrenches
Slotted Nut Wrenches
Special tools for the infamous slotted nuts used on vintage and classic Harleys. They allow loosening and tightening without damaging the nuts or your knuckles.
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Timken Race Mandrels
Timken Race Mandrels
Necessary install the sprocket shaft Timken bearing outer race on all Big Twins from 1955–up. On Big Twins →1968 the tool can be used to drive out the race, too.
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Jims Sprocket Shaft Seal Installation Tools
Jims Sprocket Shaft Seal Installation Tools
For Big Twins 1969–up. Use to press oil seal over sprocket shaft into case.
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Jims Handles for Tapered Roller Bearing Drivers
Jims Handles for Tapered Roller Bearing Drivers
Special tool to remove and install Timken sprocket shaft bearing races.
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Jims Spacers for Tapered Roller Bearing Drivers
Jims Spacers for Tapered Roller Bearing Drivers
Special tool to remove and install Timken sprocket shaft bearing races.
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Jims Timken Bearing Driver
Jims Timken Bearing Driver
Special tool to remove and install Timken sprocket shaft bearing races.
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Replacement Parts
Replacement Parts

Special Tools for Engine Cases

In addition to the famous slotted nut wrenches for the cases up to 1930, there are pressing tools for the tapered roller bearings of the large two-cylinder engines from the mid-1950s to the early 2000s for the engine builder and the experienced mechanic. Professional tools are also available here for lapping the main bearing bushings and for adjusting the bearing clearance of the roller bearings.

Have any questions?

Our service team will be glad to help out: Mondays - Thursdays 08:00-17:00 CET, Fridays 08:00-16:00 CET, Phone: +49 / 931 250 61 16, eMail: service@wwag.com