Harley-Davidson Engine Covers

Finish your Harley-Davidson engine build with covers and components that match your setup. Explore derby covers, cam covers, rocker box covers, tappet block covers, and related hardware from Kruesi Originals and other performance brands.

Whether you're replacing factory components, adding custom details, or choosing one of our KO slider derby covers, find engine cover options for compatible Twin Cam, Milwaukee-Eight, and other Harley-Davidson applications.

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  • Kruesi Originals Slider Derby Cover for Twin Cam Models

    Kruesi Originals Slider Derby Cover for Twin Cam Models

    Kruesi Originals Slider Derby Cover for Twin Cam Models

    $394.00
    Sale price  $394.00 Regular price 
  • Kruesi Originals Air Cleaner Cover

    Kruesi Originals Air Cleaner Cover

    Kruesi Originals Air Cleaner Cover

    $238.00
    Sale price  $238.00 Regular price 
  • Kruesi Originals Non-Slider Derby Cover

    Kruesi Originals Non-Slider Derby Cover

    Kruesi Originals Non-Slider Derby Cover

    $373.00
    Sale price  $373.00 Regular price 
  • Kruesi Originals "For J Brew" Points Covers

    Kruesi Originals "For J Brew" Points Covers

    Kruesi Originals "For J Brew" Points Covers

    $100.00
    Sale price  $100.00 Regular price 
  • Kruesi Originals Magnetic Dipstick for RevMax Models

    Kruesi Originals Magnetic Dipstick for RevMax Models

    Kruesi Originals Magnetic Dipstick for RevMax Models

    $144.00
    Sale price  $144.00 Regular price 
  • Chrome Cam Cover for Twin Cam Models

    Chrome Cam Cover for Twin Cam Models

    Chrome Cam Cover for Twin Cam Models

    $186.00
    Sale price  $186.00 Regular price 
  • Outer Primary Cover for 1999-2017 Dyna Models with Mid Controls

    Outer Primary Cover for 1999-2017 Dyna Models with Mid Controls

    Outer Primary Cover for 1999-2017 Dyna Models with Mid Controls

    $557.00
    Sale price  $557.00 Regular price 
  • Arlen Ness Titanium 12-Point Lifter Block Bolt Kit

    Arlen Ness Titanium 12-Point Lifter Block Bolt Kit

    Arlen Ness Titanium 12-Point Lifter Block Bolt Kit

    $115.00
    Sale price  $115.00 Regular price 
  • Arlen Ness Titanium 12-Point Cam Cover Bolt Kits

    Arlen Ness Titanium 12-Point Cam Cover Bolt Kits

    Arlen Ness Titanium 12-Point Cam Cover Bolt Kits

    $144.00
    Sale price  $144.00 Regular price 
  • Replacement Tappet Block Covers for 1999-2017 Twin Cam Models

    Replacement Tappet Block Covers for 1999-2017 Twin Cam Models

    Replacement Tappet Block Covers for 1999-2017 Twin Cam Models

    $137.00
    Sale price  $137.00 Regular price 
  • Replacement Tappet Block Covers for 2017+ M8 Models

    Replacement Tappet Block Covers for 2017+ M8 Models

    Replacement Tappet Block Covers for 2017+ M8 Models

    $157.00
    Sale price  $157.00 Regular price 
  • SlyFox Carbon Fiber Pushrod Covers for M8 Models

    SlyFox Carbon Fiber Pushrod Covers for M8 Models

    SlyFox Carbon Fiber Pushrod Covers for M8 Models

    $489.00
    Sale price  $489.00 Regular price 
  • Arlen Ness Radius Oil Pressure Gauge Kit for Twin Cam Models

    Arlen Ness Radius Oil Pressure Gauge Kit for Twin Cam Models

    Arlen Ness Radius Oil Pressure Gauge Kit for Twin Cam Models

    $287.00
    Sale price  $287.00 Regular price 
  • Performance Machine Race Series Cam Cover for M8 Models

    Performance Machine Race Series Cam Cover for M8 Models

    Performance Machine Race Series Cam Cover for M8 Models

    $520.00
    Sale price  $520.00 Regular price 
  • Performance Machine Race Series Rocker Box Covers for M8 Models

    Performance Machine Race Series Rocker Box Covers for M8 Models

    Performance Machine Race Series Rocker Box Covers for M8 Models

    $1,024.00
    Sale price  $1,024.00 Regular price 
  • Twin Cam Rocker Boxes

    Twin Cam Rocker Boxes

    Twin Cam Rocker Boxes

    $468.00
    Sale price  $468.00 Regular price