S&S Cycle Pinion Shaft Bushing for 1984-1999 Harley-Davidson Big Twin

S&S Cycle Pinion Shaft Bushing for 1984-1999 Harley-Davidson Big Twin

The pinion shaft bushing plays a key role in maintaining proper alignment and reducing friction in your Big Twin gear cover, directly affecting engine smoothness and longevity. As the bushing wears, clearances increase and side loading can cause accelerated gear wear and vibration. Replacing it with a precision S&S bushing restores proper fit and keeps your drivetrain running quietly and reliably.

Key Features

• Precision-fit replacement bushing for the Big Twin gear cover pinion shaft bore
• Restores correct clearances to eliminate side play and reduce gear noise and vibration
• Replaces OEM part numbers 25582-93 and 25582-73 in 1984-1999 Big Twin applications
• Engineered to S&S Cycle tolerances for reliable, long-lasting drivetrain support

Technical Specifications

• Application: 1984-1999 Harley-Davidson Big Twin gear cover
• OEM Cross-Reference: 25582-93 / 25582-73
• Function: Pinion shaft bushing, gear cover

Fitment Notes

• Fits 1984-1999 Harley-Davidson Big Twin gear cover applications
• Verify OEM cross-references 25582-93 or 25582-73 before ordering
• Review the Fitment tab for complete year and model compatibility