Downloadable Instruction Sheets




1999-’17 Harley-Davidson® Twin Cam Big Twin Engines

Twin Cam Camshaft Instructions

TC Camshaft Install

2017 to Current Milwaukee 8 Big Twin Engines

Milwaukee 8 Camshaft Instructions

Milwaukee 8 Camshaft Install

Big Bore Cylinder Kits

Big Bore Cylinder Kit Instructions

Twin Cam Big Bore Install
Milwaukee 8 Big Bore Install




Speedy Adjustable Pushrods

Adjustable Pushrod Instructions

Speedy Pushrod Instructions

Valve Spring Instructions

Valve Spring Instructions

Valve Spring Instructions

Clutch Plate Installation Instructions

Clutch Installation Instructions

41-4000 Clutch Instructions
41-4001 Clutch Instructions
41-4002 Clutch Instructions
41-4003 Clutch Instructions
41-4004 Clutch Instructions