Cometic Derby Covers Seal Kits

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Cometic derby cover seal kits apply the same Multi-Layer Steel precision engineering that made the brand's head gaskets the benchmark for performance engine builds to the primary drive's most leak-prone seal point. The coverage across Milwaukee-Eight Softail from 2018 to 2025 and FLT/Touring from 2017 to 2025 includes Trikes, with specific variants listed for 4.125-inch big bore cylinder applications, 107-inch engines, and custom applications with oil-cooled heads — the kind of fitment granularity that Cometic builds into every part of its catalogue. A primary leak on a Milwaukee-Eight Harley-Davidson isn't just inconvenient; it's a sign that the seal compound and dimensional tolerances weren't right for the application. Cometic addresses both. Iron City Motorcycles, an authorised Harley-Davidson dealer in Leeds, stocks Cometic through Iron Stable. For a Milwaukee-Eight Softail or Touring build where the primary sealing is part of the quality spec, not an afterthought, Cometic is the correct choice. Browse the full Cometic Derby Covers Seal Kits range below.