JIMS Standard Right Side Case Race for Harley Big Twin 1958–1992 – Replaces OEM 24599-58A

This JIMS standard right side case race is designed for Harley-Davidson Big Twin engine cases using the factory right side bearing race configuration.

The race is machined and ground to factory specifications to provide proper bearing fit and support within the engine case. Correct race installation is critical for maintaining bearing alignment, load distribution, and long-term engine reliability during service or rebuild work.

Designed for Harley-Davidson Big Twin models from 1958 through 1992, this standard-size race is intended for stock-style cases during engine assembly.

This part replaces Harley-Davidson OEM 24599-58A. Manufactured in the United States by JIMS. At Boomers Bike Shop, we stock internal engine components that fit correctly and are trusted for real Big Twin engine builds.

Fits Harley-Davidson Models:

Big Twin: 1958–1992

⚠️ Standard size. Verify case condition and bearing fit before installation.