Big Twin/Shovelhead Oil Seal Sprocket Shaft

James Gaskets Big Twin/Shovelhead Oil Seal Sprocket Shaft Restore reliable sealing and smooth drivetrain performance with the James Gaskets Big Twin/Shovelhead Oil Seal Sprocket Shaft. Designed specifically for classic Harley-Davidson Big Twin and Shovelhead models, this precision oil seal keeps gear oil where it belongs while resisting heat, pressure, and age-related hardening. Fitment: Direct replacement for Big Twin and Shovelhead sprocket shafts Durable construction: High-quality elastomer sealing lip with reinforced metal case for long service life Performance benefits: Prevents oil leaks, protects bearings and gearbox internals, maintains correct oil pressure Easy installation: OEM-compatible dimensions for straightforward swap during rebuilds or routine maintenance Choose James Gaskets for factory-style reliability and peace of mind on the road. Ideal for restorations, maintenance, or performance rebuilds where dependable sealing is critical.