Description
Cylinder Kit – Monster Big Bore -109″ – Natural – Evolution Big Twin ’84-’99
Features
- Aerospace-grade all-aluminum cylinders with nickel-silicon-carbide (NSC) electroplated bores
- No sleeving allows for larger bore sizes
- NSC-plated cylinders have less frisction for increased horsepower, lower engine temperatures and longer lifespan
- Includes pair of all-aluminum NSC-coated bore cylinders, custom forged pistons with high-tension rings specifically designed for NSC cylinders, wrist pins, circlips and a head/base gasket set
- Made in the USA
- Will require case boring, which is not recommended on OEM cases ’95-earlier; some may require a 4-5/8″ stroke crank.
- Upgraded cylinder studs and head bolts recommended.
- Replacement gasket sets and piston kits available separately.
Specs
| Cylinder Bore Coating | Nickel-Silicon Carbide |
| Displacement | 109″ |
| Units | Kit |
| Material | Aluminum |
| Stroke Length | 4-5/8″ |
| Compression Ratio | 10.0:1 |
| Color/Finish | Natural Aluminum |
| Bore Size | 3-7/8″ |
| Product Name | Cylinder Kit |
| Type | Big Bore |
| Model | Monster |
| Riding Style | Street |
