Boz Engineering and dyno tuning

06/03/2025

Our Delapena auto striking vertical honing machine.

06/03/2025

Honing M8 cylinders

06/03/2025

Boz designed and manufactured boring fixture and torque plates for M8 cylinders.

06/03/2025

We bore and hone Harley cylinders including overbores for big bore conversions. Popular examples are Sportster 883-1200, Twin Cam 88-95, 96-103, 96-107, and M8 107-117, 114-120.
Flathead to M8. We have a full range of torque plates and fixtures and we supply pistons.

13/02/2025

16/01/2025

Harley-Davidson Performance and Tuning Centre
Here at Boz Engineering and Dyno Tuning we offer complete ‘turnkey’ performance upgrades for Harley’s new M8 engine. Based on the model of Harley, and the owner’s riding style, we can tailor a performance upgrade to suit. Using the results from our own extensive, and continuous, R&D tuning program, we take the guesswork out of the equation. Everything is under one roof: quality parts, installation, and dyno tuning. So no more trawling the internet trying to figure out what parts combination works and where to buy them, no more looking for competent installation, no more looking for a machine shop, no more figuring out what tuning software is needed, and no more looking for a competent dyno tuning facility that understands fuel injected Harley-Davidsons. It’s all here under one roof.
Whether you have a heavy M8 or Twin Cam Electraglide used for quiet fully laden touring, or a hot rod Harley Softail, Dyna, or Sportster used for enthusiastic riding, we can offer a proven performance package to suit your riding requirements.