MDP Firewall Grommet Engine Harness Plate made out of 60/61 billet aluminum with a seal behind the plate to keep water out of cabin. Keep That Engine Harness looking Clean On The Firewall With MDP. Will fit up to 3/4” harness 

Hardware Included: 

4pc M6 Hex bolt 

4pc M6 Flat Head Rivnut Threaded Insert Nuts