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Confirmed Fit
TwinPower
Twin Power 84-91 Evolution Big Twin Top End Gasket Kit Replaces H-D 17033-83B 3.5 Inch Bore
$125.57
$160.99
Technical Data
Ideal for top-end rebuilds, performance upgrades, or routine refreshes across multiple Harley engine platforms
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1984,1987-1991 | Harley-Davidson | FLHS Electra Glide Sport | Base |
| 1986-1991 | Harley-Davidson | FLHT Electra Glide Standard | Base |
| 1984-1991 | Harley-Davidson | FLHTC Electra Glide Classic | Base |
| 1989-1991 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | Base |
| 1986-1990 | Harley-Davidson | FLST Heritage Softail | Base |
| 1988-1991 | Harley-Davidson | FLSTC Heritage Softail Classic | Base |
| 1990-1991 | Harley-Davidson | FLSTF Fat Boy | Base |
| 1984-1991 | Harley-Davidson | FXR Super Glide II | Base |
| 1985-1987 | Harley-Davidson | FXRC Low Rider Chrome | Base |
| 1986 | Harley-Davidson | FXRD Sport Glide Grand Touring | Base |
| 1984 | Harley-Davidson | FXRDG Disc Glide | Base |
| 1985-1991 | Harley-Davidson | FXRPF Police | Base |
| 1984-1991 | Harley-Davidson | FXRS Low Glide | Base |
| 1990-1991 | Harley-Davidson | FXRS-Conv Low Rider Sport Convertible | Base |
| 1986-1991 | Harley-Davidson | FXRS-SP Low Rider Sport | Base |
| 1984-1991 | Harley-Davidson | FXRT Sport Glide | Base |
| 1984-1991 | Harley-Davidson | FXST Softail Standard | Base |
| 1986-1991 | Harley-Davidson | FXSTC Softail Custom | Base |
| 1988-1991 | Harley-Davidson | FXSTS Springer Softail | Base |
| 1984-1986 | Harley-Davidson | FXWG Wide Glide | Base |
Specifications
Finish
Industrial Grade
Material
High-Strength Composite
Rating
Performance++
Fitment Data
• Engineered for precision compatibility with high-performance builds.
• Tested under extreme mechanical stress for guaranteed structural integrity.
Use the Riot Vehicle Finder to verify exact sub-model compatibility.
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Twin Power 84-91 Evolution Big Twin Top End Gasket Kit Replaces H-D 17033-83B 3.5 Inch Bore
$125.57$160.99