Sale!
Revolution Performance 109″ Silver Monster Big Bore Kit Flat Harley Evolution 84-99
Original price was: $829.89.$436.14Current price is: $436.14.
19 in stock
Description
- Revolution™ aerospace-grade all-aluminum cylinders with nickel-silicon-carbide electroplated bores which means NO SLEEVING; allows larger bore sizes and less friction for more horsepower, lower temps and a longer lifespan
- Monster power in a package that’s tested, reliable and, most importantly, really big
- Includes Wiseco forged pistons with rings (that are specifically designed for optimal compatibility with Revolution Performance’s cylinders), wrist pins, circlips and high-performance head and base gaskets
- Replacement head and base gasket sets available separately
- Made in the U.S.A.
- All kits require case-boring.
- For replacement pistons and rings
| COLOR/FINISH | SILVER |
| BORE SIZE | 3-7/8″ / 3-7/8″ |
| DISPLACEMENT | 109″ |
| STROKE LENGTH | 4-5/8″ / 4-5/8″ |
| COMPRESSION RATIO | 10,0:1 / 10.0:1 |











