Revolution Performance 128" Bolt-On Big Bore Kit
(Fits 2017-PRESENT 114" and 117" Milwaukee 8 Harley Davidson motorcycles)
The Revolution Performance 128" Milwaukee 8 Bolt-On Big Bore Kit is the most reliable way to increase power and torque on your 2017-2019 Milwaukee 8 114" & 117” engine. Each 128" kit comes with our state of the art all aluminum NSC plated cylinders which last longer and run cooler than the OEM cylinders. The cylinders are matched with a premium forged piston kit and a complete Cometic gasket kit.
- NEW 4.250" all aluminum Nickel Silicon Carbide (NSC) plated cylinders available in: black-highlight, all black and black granite
- Forged 11.3:1 compression ratio flat-top piston kit
- Cometic head and base gasket kit
- 128" Milwaukee 8 Velocity CNC Cylinder Head Porting Package
128" Bolt-On Big Bore Kit comes with:
The 128" Bolt-On Big Bore Kit requires no other engine modifications to install but can benefit from our other products and services.