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TwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.
Ensure a solid seal for your classic Harley-Davidson Evo Big Twin engine with this Rocker Box Gasket Kit from Twin Power. Designed for models from 1984 to 1991, this kit replaces Harley-Davidson part number 17038-90 and is essential for preventing oil leaks and maintaining engine performance.
The rocker boxes house vital valve train components and require robust gaskets to keep lubricating oil contained. Over years of service, original gaskets can become brittle and leak. This Twin Power kit provides a direct, high-quality replacement, ensuring your Evo engine stays clean and runs efficiently.
Keep your Evo Big Twin running strong and looking its best. Trust Twin Power for dependable parts that fit right.
Get the quality you need for your classic Harley with this Twin Power Evo Big Twin Rocker Box Gasket Kit from GGCRACING.
| Years | Make | Model | Trim |
|---|---|---|---|
| 1984 | Harley-Davidson | FLHS Electra Glide Sport | Base |
| 1987-1991 | Harley-Davidson | FLHS Electra Glide Sport | Base |
| 1984-1990 | Harley-Davidson | FLHTC Electra Glide Classic | Base |
| 1989-1991 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | 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 |
| 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 |
| 1984-1991 | Harley-Davidson | FXST Softail Standard | Base |
| 1988-1991 | Harley-Davidson | FXSTS Springer Softail | Base |
Other popular TwinPower products customers consider together:
TwinPower engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full TwinPower lineup with fast shipping and expert fitment support — order with confidence.
Ensure a solid seal for your classic Harley-Davidson Evo Big Twin engine with this Rocker Box Gasket Kit from Twin Power. Designed for models from 1984 to 1991, this kit replaces Harley-Davidson part number 17038-90 and is essential for preventing oil leaks and maintaining engine performance.
The rocker boxes house vital valve train components and require robust gaskets to keep lubricating oil contained. Over years of service, original gaskets can become brittle and leak. This Twin Power kit provides a direct, high-quality replacement, ensuring your Evo engine stays clean and runs efficiently.
Keep your Evo Big Twin running strong and looking its best. Trust Twin Power for dependable parts that fit right.
Get the quality you need for your classic Harley with this Twin Power Evo Big Twin Rocker Box Gasket Kit from GGCRACING.
| Years | Make | Model | Trim |
|---|---|---|---|
| 1984 | Harley-Davidson | FLHS Electra Glide Sport | Base |
| 1987-1991 | Harley-Davidson | FLHS Electra Glide Sport | Base |
| 1984-1990 | Harley-Davidson | FLHTC Electra Glide Classic | Base |
| 1989-1991 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | 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 |
| 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 |
| 1984-1991 | Harley-Davidson | FXST Softail Standard | Base |
| 1988-1991 | Harley-Davidson | FXSTS Springer Softail | Base |
Other popular TwinPower products customers consider together: