James Gasket Oil Pump Repair Kit Mylar® for Harley Big Twin EVO & Shovelhead 1981–1991

This James Gasket oil pump repair kit with Mylar® gaskets and seals is designed for rebuilding stock-style Harley-Davidson Big Twin oil pumps.

The kit includes new internal components that allow worn oil pumps to be properly rebuilt and rebushed, restoring correct clearances and oil system function. Mylar® gasket material provides durable sealing for long service life during oil pump repair work.

Designed for Harley-Davidson Big Twin engines from 1981 through 1991, including Shovelhead and Evolution applications, this kit is intended for restorations, engine rebuilds, or corrective oil system service using stock-type oil pumps.

Manufactured in the United States by James Gasket. At Boomers Bike Shop, we stock oil system rebuild components that fit correctly and are trusted for real Big Twin engine work.

Fits Harley-Davidson Big Twin Models:

Big Twin Shovelhead: 1981–1984

Big Twin Evolution (EVO): 1984–1991

⚠️ Designed for rebuilding most stock-style Big Twin oil pumps. Verify oil pump style before installation.