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 Air Cleaner Cover -
Kruesi Originals Non-Slider Derby Cover -
Kruesi Originals "For J Brew" Points Covers -
Kruesi Originals Magnetic Dipstick for RevMax Models -
Chrome Cam Cover for Twin Cam Models -
Outer Primary Cover for 1999-2017 Dyna Models with Mid Controls -
Arlen Ness Titanium 12-Point Lifter Block Bolt Kit -
Arlen Ness Titanium 12-Point Cam Cover Bolt Kits -
Replacement Tappet Block Covers for 1999-2017 Twin Cam Models -
Replacement Tappet Block Covers for 2017+ M8 Models -
SlyFox Carbon Fiber Pushrod Covers for M8 Models -
Arlen Ness Radius Oil Pressure Gauge Kit for Twin Cam Models -
Performance Machine Race Series Cam Cover for M8 Models -
Performance Machine Race Series Rocker Box Covers for M8 Models -
Twin Cam Rocker Boxes