The Motion Pro Tappet Oil Filter Screw Plug Tool is designed for use on Big Twin Harley-Davidson motorcycles (excluding Twin Cam models) equipped with slotted screw tappet oil filter screen covers.Features: Compatible with Big Twin Harley-Davidson models (excluding Twin Cam) featuring slotted screw tappet oil filter screen covers Designed for use with a 7/16" combination wrench, allowing maximum rotation without contacting engine cases O-ring design retains the tool in the wrench or socket Flange design permits the application of downward force Usable without removing exhaust pipes on most motorcycles Specifications: Product Type: Tappet Oil Filter Screw Plug Tool Manufacturer Part Number: 08-0339 Applications: Intended for Big Twin Harley-Davidson motorcycles (excluding Twin Cam models) with slotted screw tappet oil filter screen covers Cross Reference Numbers: 08-0339