Left Side Engine Case

Left side engine case for aluminum electric start inner primary application on 1965 Panhead and 1966-69 Flat Side Shovelhead engines.

Left hand case must be fit to existing right side case. Cylinder deck height must also be machined to match to original right side case. Case set line lapping required.

Case may require clearancing for cast inner primary vent tube. Requires the use of case race, cylinder base studs, breather tube, bearing assembly, and drain plug, and will accept Timken roller bearing assembly, all available separately.

Features a blank number boss.