Twin Power Evolution Big Twin Top End Gasket Kit 3.5 Inch Bore 043158

Twin Power Evolution Big Twin Top End Gasket Kit 3.5 Inch Bore 043158

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Twin Power Evolution Big Twin Top End Gasket Kit 3.5 Inch Bore 043158

Replace or service the correct Harley Softail component with this Twin Power gasket/seal. Exact year/model compatibility and part number matter on Harley replacement parts, especially electrical, drivetrain, brake, and engine components.

Key Features

  • Ideal for top-end rebuilds, performance upgrades, or routine refreshes across multiple Harley engine platforms

Product Details

  • Brand: Twin Power
  • Manufacturer Part Number: 043158
  • Product Type: Gasket/Seal
  • Application Focus: Harley Softail
  • OEM Cross-Reference: 17033-83B

Fitment

Year Make Model
1984,1987-1991 Harley-Davidson FLHS Electra Glide Sport
1986-1991 Harley-Davidson FLHT Electra Glide Standard
1984-1991 Harley-Davidson FLHTC Electra Glide Classic
1989-1991 Harley-Davidson FLHTCU Electra Glide Ultra Classic
1986-1990 Harley-Davidson FLST Heritage Softail
1988-1991 Harley-Davidson FLSTC Heritage Softail Classic
1990-1991 Harley-Davidson FLSTF Fat Boy
1984-1991 Harley-Davidson FXR Super Glide II
1985-1987 Harley-Davidson FXRC Low Rider Chrome
1986 Harley-Davidson FXRD Sport Glide Grand Touring
1984 Harley-Davidson FXRDG Disc Glide
1985-1991 Harley-Davidson FXRPF Police
1984-1991 Harley-Davidson FXRS Low Glide
1990-1991 Harley-Davidson FXRS-Conv Low Rider Sport Convertible
1986-1991 Harley-Davidson FXRS-SP Low Rider Sport
1984-1991 Harley-Davidson FXRT Sport Glide
1984-1991 Harley-Davidson FXST Softail Standard
1986-1991 Harley-Davidson FXSTC Softail Custom
1988-1991 Harley-Davidson FXSTS Springer Softail
1984-1986 Harley-Davidson FXWG Wide Glide
Why buy Twin Power parts from Steel Steeds?
Clear Harley fitment, manufacturer part numbers, and powersports-focused support help you match the right replacement or upgrade before the bike is apart.

Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–4 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!

We are committed to providing quality products and stand behind our items with a warranty. Exact coverage may vary, so please refer to our warranty page for more details!

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FAQs

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Once your Steel Steeds gear leaves our warehouse, it typically arrives at your doorstep within 2–5 business days, unless otherwise noted. We partner with trusted shipping carriers to ensure your off-road essentials get to you fast and hassle-free. So gear up with confidence—your next big adventure is just around the corner!

Absolutely! Nearly every item we carry comes with a warranty tailored to that specific product. We stand behind the quality of the products we distribute and want you to ride with confidence. For full details, visit our dedicated warranty page—and rest assured, we’ve got you covered every step of the way!