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Fits 1937 and later WL, WLA, WLC, G, GE and other 45CI Side valves, Left side crankcase (OEM 406-37A, 24532-37)
Reproduction of the original 45 cubic inch left side crankcase. Case is blank without serial numbers and has a raw cast aluminum finish. Cylinder base area and motor mounts are machined to stock height specification and has to be matched to the right side for proper installation and fit. Case race, case bushing, cylinder base studs, threaded inserts and related bolts must be ordered separately.