Bring new life to your classic with an engine overhaul kit that bundles essential rebuild components in one convenient package. Spend less time hunting down individual parts and more time getting your classic back on the road. This Engine Overhaul Kit fits 1940 Mercury Series O9A and 1939 Mercury Series 99A.

• Includes: 1 × Cam Lubricant; 1 × Cam Assembly Paste; 1 × Cam Bearing Set; 1 × Freeze Plug Set; 16 × Valve Lock; 1 × Main Bearing Set; 1 × Overhaul Gasket Set; 1 × Oil Pump; 8 × Piston Pin Bushing; 8 × Piston; 4 × Rod Bearing; 1 × Piston Ring; 2 × Timing Gear; 16 × Valve Lifter
• Engine: 239 cu in engine
• Fitment Notes: Piston pin bushings have a 0.805 in outside diameter