1949-1953 Mercury 4” Stroke Crank Shaft Original Flathead Hot Rod Stroker

This is a high-quality crankshaft for a 1949-1953 Mercury engine. It is a reliable and durable part that will ensure your hot rod runs smoothly. The original flathead design is perfect for any Mercury enthusiast looking to upgrade their engine.

This will fit fit earlier Flathead engines with some modifications. Bearings measure .030 on the crank and .020 on the rod.