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  4. Primary cover, derby and inspection plate screw kits

Primary cover, derby and inspection plate screw kits

13 products

This category comprises specific fastener sets for the primary transmission front end and sump. Includes screws for the primary cover, derby screw (clutch cover), inspection screws and drain plugs. Designed to replace worn or corroded OEM fasteners, these kits typically include washers and screws of varying lengths and thread pitches.

About this category

Compatible with Harley-Davidson families such as Sportster, Softail, Dyna, Touring and Big Twin, covering Evolution, Twin Cam and Milwaukee Eight engines. Common materials: stainless steel, anodised or black aluminium. Essential for primary maintenance, sealing and aesthetics.

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