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| SKU | TWP043183 |
| MPN | 043183 |
| GTIN | 887337317595 |
| Certifications | None |
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1980-1984 | Harley-Davidson | FLHS Electra Glide Sport | Base |
| 1983-1984 | Harley-Davidson | FLHTC Electra Glide Classic | Base |
| 1980-1983 | Harley-Davidson | FLT Tour Glide | Base |
| 1971-1978 | Harley-Davidson | FX Super Glide | Base |
| 1980-1982 | Harley-Davidson | FXB Sturgis | Base |
| 1983 | Harley-Davidson | FXDG Disc Glide | Base |
| 1974-1984 | Harley-Davidson | FXE Super Glide | Base |
| 1979-1984 | Harley-Davidson | FXEF Fat Bob | Base |
| 1982-1984 | Harley-Davidson | FXR Super Glide II | Base |
| 1984 | Harley-Davidson | FXRDG Disc Glide | Base |
| 1982-1984 | Harley-Davidson | FXRS Low Glide | Base |
| 1983-1984 | Harley-Davidson | FXRT Sport Glide | Base |
| 1977-1982 | Harley-Davidson | FXS Low Rider | Base |
| 1983-1984 | Harley-Davidson | FXSB Low Rider - Belt | Base |
| 1984 | Harley-Davidson | FXST Softail Standard | Base |
| 1980-1984 | Harley-Davidson | FXWG Wide Glide | Base |
Upgrade your vintage Shovelhead Big Twin engine with the TwinPower 66-84 Head Gasket. Designed specifically for standard bore sizes with a 040 MLS thickness, this high-quality gasket ensures superior sealing for optimal engine performance and reliability.
Crafted as a precise replacement for the Harley-Davidson 16770-66 part, it maintains the integrity of your engine's cylinder head, preventing leaks and enhancing durability under demanding conditions. Trust TwinPower to deliver components that meet the needs of enthusiasts and professionals alike.
Whether you're rebuilding, repairing, or tuning your classic motor, this head gasket is engineered to provide a perfect fit and consistent performance. Invest in quality and keep your Big Twin running smoothly with this essential engine component, exclusively available for enthusiasts seeking reliability and excellence.
Crafted as a precise replacement for the Harley-Davidson 16770-66 part, it maintains the integrity of your engine's cylinder head, preventing leaks and enhancing durability under demanding conditions. Trust TwinPower to deliver components that meet the needs of enthusiasts and professionals alike.
Whether you're rebuilding, repairing, or tuning your classic motor, this head gasket is engineered to provide a perfect fit and consistent performance. Invest in quality and keep your Big Twin running smoothly with this essential engine component, exclusively available for enthusiasts seeking reliability and excellence.
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We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















