S&S CYCLE Base Gaskets - 3.500" / 3.437" - 74/80" - '66-'84 Big Twin
Features
- Base gaskets features S&S Pro-Formance micropore™ compound proven to resist failure due to extrusion or blow out
- All gaskets sold in pairs
- Made in the USA
- Shovelhead-style rear S&S cylinders do not have the stock-style wide base flange. Shovelhead base gaskets specified as "S&S" are the same front and rear.
Specs
| Product Name | Gasket |
| Type | Cylinder Base |
| Material | Micropore™ |
| Bore Size | 3.500" / 3.437" |
| Thickness | 0.018" / 0,46 mm (0,018") / 0.46 mm |
| Features | Stock Bolt Pattern |
| Units | Pair |
| Riding Style | Street |
Product Information
Product Information
Shipping & Returns
Shipping & Returns

S&S CYCLE Base Gaskets - 3.500" / 3.437" - 74/80" - '66-'84 Big Twin
S&S CYCLE Base Gaskets - 3.500" / 3.437" - 74/80" - '66-'84 Big Twin
Features
- Base gaskets features S&S Pro-Formance micropore™ compound proven to resist failure due to extrusion or blow out
- All gaskets sold in pairs
- Made in the USA
- Shovelhead-style rear S&S cylinders do not have the stock-style wide base flange. Shovelhead base gaskets specified as "S&S" are the same front and rear.
Specs
| Product Name | Gasket |
| Type | Cylinder Base |
| Material | Micropore™ |
| Bore Size | 3.500" / 3.437" |
| Thickness | 0.018" / 0,46 mm (0,018") / 0.46 mm |
| Features | Stock Bolt Pattern |
| Units | Pair |
| Riding Style | Street |
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Features
- Base gaskets features S&S Pro-Formance micropore™ compound proven to resist failure due to extrusion or blow out
- All gaskets sold in pairs
- Made in the USA
- Shovelhead-style rear S&S cylinders do not have the stock-style wide base flange. Shovelhead base gaskets specified as "S&S" are the same front and rear.
Specs
| Product Name | Gasket |
| Type | Cylinder Base |
| Material | Micropore™ |
| Bore Size | 3.500" / 3.437" |
| Thickness | 0.018" / 0,46 mm (0,018") / 0.46 mm |
| Features | Stock Bolt Pattern |
| Units | Pair |
| Riding Style | Street |














