S&S Cycle Billet Transmission Trap Door for S&S Big Twin Transmission Cases

S&S Cycle Billet Transmission Trap Door for S&S Big Twin Transmission Cases

The trap door is one of the most visible components of a Big Twin transmission, and upgrading to an S&S replacement delivers a premium appearance alongside the structural integrity that a custom build demands. This door provides a quality alternative to the stock casting, maintaining proper sealing and easy gear access for S&S-style transmission cases where every detail matters.

Key Features

• Billet construction for superior strength and a premium machined appearance
• Designed as a direct replacement for S&S Big Twin transmission case trap doors
• Made in the USA

Technical Specifications

• Construction: Billet
• Application: S&S Big Twin transmission cases
• Origin: Made in the USA

Fitment Notes

• Designed for S&S Big Twin transmission cases only
• Confirm transmission case compatibility before ordering
• Review the Fitment tab for complete compatibility information