JLW Automotive has partnered with Harrop Engineering  to ensure your Mustang has the best possible after market upgrades. These two companies excel in what they do.


Since 1955, Harrop has engineered and manufactured world-class performance products for a diverse range of applications. Whether it is original equipment for Ford, Holden & Lotus or premier motorsport categories such as F1, NASCAR & V8 Supercars, or our proprietary aftermarket performance products; our reputation is legendary.

Proudly designed and manufactured in Australia, Harrop offer a range of packages engineered specifically to unleash the Ford S550 Mustang. Starting with the naturally aspirated Stage 1 Package including Cold Air Intake and ECU recalibration and all the way through to the forced induction package featuring the innovative TVS2300 Supercharger Kit.


  • Superchargers
  • Brake Upgrade
  • Suspension & Chassis
  • Engine & Valve Train
  • Exhaust Systems
  • Driveline
  • Induction Systems
  • Custom Modifications