Replacement Tappet Block Covers for 1999-2017 Twin Cam Models

Refresh the appearance of your Harley-Davidson Twin Cam engine with these Replacement Tappet Block Covers. Made from die-cast aluminum and available in Chrome or Gloss Black finishes, these covers provide a clean replacement for worn, damaged, or weathered factory tappet block covers.

Sold in pairs and supplied with new gaskets and screws, they are designed as replacement components for compatible 1999-2017 Twin Cam applications.

Note: Replaces OEM part numbers 17964-99 and 17966-99.