heat treated

See Additional Information for fitment

from cafe racer and chopper to bobber and mild customs

Wiring information:

Harley Flathead Engine Crankcase 1937-1948 - Replaces OEM #24515-37 Brand_Gasbox heat treatedReproduction crankcases which meet or exceed highest restoration demands. Cast from state of the art materials and machined on CNC equipment for strength and precise fitment. Intended to work with stock or identically constructed engine components. Finished and detailed like the original counterparts so these cases will smoothly blend into your old mill to give it a new life. For ease of installation both case halves are carefully matched and feature