Triumph T140V Motorcycle

A straightforward job where our customer needed some pistons for a Triumph T140V engine at 0.040” oversize, but was unable to obtain any. 

He supplied a sample piston so we could reference the compression height, pin diameter, valve relief size and angle and the profile of the dome / intruder of the piston. These were then made at the bore size he required.

As this job only required 2 pistons there is an extra cost applied to the pistons to compensate for the design and machining set up time.

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Other Case Studies

BMW M42 Stroker

Our Customer wanted to change the stroke on his BMW M42 engine by fitting a longer stroke crankshaft from a later BMW engine. The finished pistons needed to suit a bore size of 86.50mm and give a compression ratio of 10.5:1. The stroke of the engine was changing from 81mm to 88mm.

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Mercedes 280

This Mercedes 280 piston is interesting in that it has a unique and complex non-symmetrical 3D intruder/dome.

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VW Golf R MK7

This customer had a pretty serious blow up on his 2014 Golf R as the picture below shows, and was unable to find any replacement pistons.

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