Colony Engine

513 products — Page 4 of 11

Colony Machine engine hardware brings the same methodical precision to the mechanical heart of your Harley-Davidson that has made them the definitive source for restoration hardware and engineered fastener kits. While Colony's catalogue covers the whole machine, their engine-specific hardware kits stand out — engine mounting bolts, rocker cover fasteners, cam cover hardware, and cylinder base kits engineered to period-correct specifications for Shovelhead, Evolution, Twin Cam, and Milwaukee-Eight platforms. A Knucklehead or Panhead restoration demanding correct-grade engine hardware gets the same careful attention as a late-model Milwaukee-Eight build where the details still matter. Each kit is engineered rather than assembled from generic stock, with thread grades, finish standards, and head profiles matched to what Harley-Davidson specified for the model year. For builders who treat the engine as a display piece as much as a drivetrain, the finish quality on Colony engine hardware is hard to match. Iron City Motorcycles, an authorised Harley-Davidson dealer in Leeds, carries Colony engine hardware kits for UK builders and restorers working to the correct specification. Browse the full Colony Engine range below.