Harris Performance Engineering are involved in the tweaking and development of the S&S as fitted to the Hesketh. We were talking to them about the possibility of developing an exhaust system for the M3W (at the Hesketh Launch day) they said they're interested however they also said at present they're fully occupied with Hesketh on their 24 project.
HPE have engineered some of the fastest Mk1 Mexico escorts in existence - hooligan motors
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