Billet Filler Cap Kits PRP’s stylish filler caps are a great addition wherever a filler cap is needed. These universal caps will fit applications including: Valve covers, rear ends, inspection covers and overflow tanks. Each cap kit features a screw in cap with an o-ring for positive sealing and a weld-in-bung in either steel or aluminum. Browse our other Engine Accessories products here Details: Applications: Valve covers, rear ends, inspection covers, and overflow tanks Kit comes with a screw in cap, O-ring, and a weld-in bung in either steel or aluminum. Made from 6061 Billet Aluminum Anodized for corrosion protection Available in: Clear, Red, Blue, Black Bung Type: Steel Weld bung, Aluminum Bolt-On Bung, Aluminum Weld Bung Cap Size: Mini 1.65″ Cap, Small 2.5″ Cap, Large 4″ Cap Made in USA
