Wiseco® W6975 - Top End Gasket Kits

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Product Details

Top End Gasket Kits by Wiseco®. To complement Wiseco complete line of pistons, Wiseco offers complete gasket kits for both the top and bottom end as well as main seals. Each Wiseco gasket kit is made from the highest quality materials and engineered by Wiseco to insure compatibility with Wiseco pistons and crankshafts. Using Wiseco wide range of talents, each gasket kit is sourced in-house to find the most reliable, high quality suppliers available.


Bore: 3.937"


  • Carefully developed for the highest level of quality
  • Unsurpassed in functionality and reliability
  • Ready to serve reliably for years to come

Wiseco® began the manufacture of pistons 70 years ago when founder Clyde Wiseman started making them in his garage. The pistons he made at that time were destined for use in big bore marine engines, and like so many successful companies that began in people’s garages, word of what he was doing spread and soon he was making pistons for friends and so business began to grow. When Wiseco was officially formed in 1941 it serviced the needs of racers and powersports enthusiasts, and today the powersports sector – predominantly motorcycles and ATVs – now accounts for the largest portion of the work done by the business.

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Vehicle Fitment

Harley Davidson
Electra Glide Ultra Classic 2017-2019
Road Glide 2017-2021
Road Glide Special 2017-2019
Road Glide Ultra 2017-2018
Road King 2017-2021
Road King Special 2017-2018
Street Glide 2017-2021
Street Glide Special 2017-2018
Tri Glide Ultra 2017-2018
Ultra Limited 2017-2018
Ultra Limited Low 2017-2018


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Wiseco® W6975 - Top End Gasket Kits

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