Harley Sportster K-Model Transmission Loose Bearing Roller Set 12-4588 80-Pack

Description

Platform Fitment Bounds: Direct factory maintenance replacement or gearbox safety upgrade for classic 4-speed manual transmission gear cases on 1952 to 1990 Harley-Davidson configurations running standard 3/4" or early mainshaft bearings:
  • 1957–1990 Harley-Davidson Sportster XL Series (XLH883 / XLH1200 / Ironhead / Cafe Racer / XLCH)
  • 1952–1956 Harley-Davidson K-Model Sidevalve Series (K / KK / KH / KHK)

Harley Sportster K-Model Transmission Loose Bearing Roller Set 12-4588 80-Pack

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Platform Fitment Bounds: Direct factory maintenance replacement or gearbox safety upgrade for classic 4-speed manual transmission gear cases on 1952... Read more

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$22.95

    • Shipped today? Order within: Sep 07, 2026 10:00:00 -0400

    Description

    Platform Fitment Bounds: Direct factory maintenance replacement or gearbox safety upgrade for classic 4-speed manual transmission gear cases on 1952 to 1990 Harley-Davidson configurations running standard 3/4" or early mainshaft bearings:
    • 1957–1990 Harley-Davidson Sportster XL Series (XLH883 / XLH1200 / Ironhead / Cafe Racer / XLCH)
    • 1952–1956 Harley-Davidson K-Model Sidevalve Series (K / KK / KH / KHK)

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