The Workshop

In the Rockerbox workshop we strive to provide an expert service.
We can offer complete or partial engine rebuilds, restorations and special builds.
We understand Triumph twins and triples.
Specialists for T100, T120, T140, T150 and T160.

Engine stand, rescued from the Meriden factory

Engine Rebuilding Services

Partial or complete engine rebuilds. Cylinder heads reconditioned, rebores, std, high or low compression pistons supplied, crankshafts reground and balanced, new bearings and bushes fitted throughout. Electronic ignitions supplied and fitted. All existing parts carefully measured, inspected and replaced if necessary.
40 years Triumph engine experience.

Restoration Services

Complete or partial restorations undertaken.
Wheels rebuilt with new chrome or alloy rims, stainless or galvanised spokes.
Frames and cycle parts powder coated or 2 pack finished.
Welding and other specialist frame and engine repairs.
Thread repairs.

General Servicing and Repair Work

Any repairs or servicing work to classic Triumphs undertaken.
Electronic ignitions systems supplied and fitted.


We can now offer a thread repair service for stripped Triumph Rev Counter Drive crankcase threads. This is a left hand thread.

Bargain prices...
Lurking Arthur gives pause to cafe racer looking for service...
The site of many rebuilds
Arthur has been known to work on Nortons!
Timing up an A10 the proper way
Premier Triumph and BSA mechanic
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