• For use with Original or Pro Series/Pro 2.0 transmission
• 100% magnesium construction
• 1-piece cast pump mount, no bolt-on brackets
• Ribbed for extra strength & rigidity
• Includes flywheel shims & starter shims
• Use reverse mount starters
• Requires use of 1/4" motor mount plate
• Brinn dirt bellhousing assemblies weigh 11.4 pounds
• Does not include flywheels or drive flanges