4BT Billet Side Cover W/Breather kits 636 (Indiana built) 2003-09/21/2003 F-650

636 (Indiana built) 2003-09/21/2003 F-650 / F-750 0 to 112

Before you start

Premium performance components throughout

991935C94 HP005X

Each cylinder head is CNC ported and hand blended to ensure consistent airflow across every cylinder

4BT Billet Side Cover W/Breather kits 636 (Indiana built) 2003-09/21/2003 F-650Our billet aluminum tappet cover replaces your stock prone to leak tappet cover. Our tappet cover goes away from the rubber gasket and seals to the block with RTV. We also supply a new style breather and all the hardware to install. This tappet cover not only works better than factory but is a nice engine dress up piece as well.