Billet Oil filler cap – WP25007 Billet machined from high grade alloy and finished in a durable black coating, this oil filler cap features an engraved WP logo for a clean, performance focused look. Designed as a direct replacement for the original plastic cap, it fits any steel or alloy rocker cover using the standard plastic twist lock pattern. The cap is supplied complete with an integrated breather to maintain proper PCV system function. Looks amazing on a standard engine or a fully modified one. SKU: WP25007 Category: Go