Specializing in Porsche only.
Holleran's Performance has 30 years of Porsche expertise. Our facility cares for every Porsche vehicle from vintage 356's to modern 991's providing maintenance & service to complete restoration and custom modifications. Let us handle your project upgrades from brakes, suspension modifications, Performance Tuning, Turbo upgrades, engine builds, transaxles, engine conversions, oil cooler installs, roll cages, fabrication and machine shop services and any modifications you can dream up from concept to completion.