Choose a level of performance upgrade package to suit your budget or let us custom design a solution to your individual requirements.
Either way - with a Heavy Duty Performance package you'll get the best from your ride.
Requires stage 1,2,3, and 4 inclusions.
It's balls to the wall, crank her over and HOLD ON ...
HDM's proven combination of quality components with the above stages will be customised to you and your ride.
© Copyright Heavy Duty Motorsports 2024 - We are not an Authorised Harley-Davidson® Dealer