-22% OFF
Confirmed Fit
TwinPower
Twin Power 66-84 Shovelhead Big Twin Head Gasket Std Bore .040 MLS Replaces H-D 16770-66 Pr
$53.03
$67.99
Technical Data
Twin Power™ head gaskets deliver premium sealing performance, ensuring maximum compression, reliability, and durability for Harley-Davidson Big Twin and M8 engines.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1971-1980 | Harley-Davidson | FLH Electra Glide | Base |
| 1980-1984 | Harley-Davidson | FLHS Electra Glide Sport | Base |
| 1983 | 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 |
| 1982-1983 | Harley-Davidson | FXR Super Glide II | Base |
| 1984 | Harley-Davidson | FXRDG Disc Glide | Base |
| 1982-1983 | Harley-Davidson | FXRS Low Glide | Base |
| 1983 | Harley-Davidson | FXRT Sport Glide | Base |
| 1977-1982 | Harley-Davidson | FXS Low Rider | Base |
| 1983-1984 | Harley-Davidson | FXSB Low Rider - Belt | Base |
| 1980-1984 | 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 66-84 Shovelhead Big Twin Head Gasket Std Bore .040 MLS Replaces H-D 16770-66 Pr
$53.03$67.99