Triumph Pre-Unit Timing Cover Oil Seal Conversion

Machining service to convert your pre-unit twin timing cover from a plain bush to a standard unit oil seal and circlip.
Ensures the crankshaft has a reliable delivery of oil and increases the oil pressure.

Thread Repairs

Repairs to stripped threads in engine castings and other motorcycle parts.
Most threads available for classic bikes including, cycle, whitworth, BSF, UNF, UNC, BA.


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

Breather Conversion

Engineering service to convert your Triumph to accept a large bore crankcase breather as fitted to 1970 onward Triumphs.
Suitable for pre-unit and pre-1970 unit construction 650s.

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