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Zipper’s Performance Products Billet Trap Door

Product may vary from photo(s).

Everyday Low Price: $447.99

J&P Part: 541-759

Rating: Read Reviews

This item qualifies for free ground shipping


This product was proudly made in the USA Made In The USA

Zipper’s Performance Products Billet Trap Door

• CNC machined from 7075-T6 billet aluminum

• Provides rigid support for the transmission shafts

• Includes Grade 8 mounting hardware, shift drum bushing, main and countershaft ball bearings and circlips installed for your convenience

Product Specs

  • Manufacturer Part Number: 817-840
  • Material: Billet Aluminum
  • Sold in Units: Each


Harley-Davidson® Models

  • Sportster 1100 Electric Start Anniversary XLH1100 : 1987
  • Sportster 1100 Electric Start XLH1100 : 1986–1987
  • Sportster 1200 Standard XLH1200 : 1988–1990
  • Sportster 883 Deluxe XLH883 : 1986–1990
  • Sportster 883 Hugger XLH883 : 1987–1990
  • Sportster 883 Standard XLH883 : 1986–1990

Customer Reviews


Fits where OE trapdoor fits perfect and all bolt holes line up too, haven't put gearing in yet but a looks great. Ps shipping was very fast (5 days to Australia) you guy rock...