CP Pistons
CP Pistons BHM8120-2 Piston Kit for Harley-Davidson Milwaukee Eight 120ci 4.180in Bore 11:1 CR
CP Pistons BHM8120-2 Piston Kit for Harley-Davidson Milwaukee Eight 120ci 4.180in Bore 11:1 CR
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A CP-Carrillo forged piston kit for the V-twin engine listed under Fitment. Bore, stroke and compression ratio are listed under Key Features; confirm them against your cylinders and heads before ordering.
Key Features
- Bore: 4.180 in
- Stroke: 4.375 in
- Compression ratio: 11:1
- Displacement: 120ci
This product is not approved for sale or use in the State of California, or in other states that require a CARB Executive Order (E.O.) number. It is intended for use in states that do not require CARB certification.
Fitment
- Listed for Harley-Davidson Milwaukee Eight 120ci
Confirm your engine, bore size and the part number before ordering.
Made to order: this part is built after the order is placed, and the order cannot be cancelled once it is placed.
CP-Carrillo guarantees the quality of the steel and aluminum, the forging, the heat treatment and the dimensional sizes of its parts. Because CP-Carrillo has no control over engine assembly or modification, no further warranty is expressed or implied, including any warranty of merchantability or fitness for a particular purpose. Custom-built parts are not returnable.
Specifications
- Brand: CP Pistons
- Manufacturer Part Number: BHM8120-2
- Type: Piston Kit
- Bore: 4.180in
- Compression Ratio: 11:1
- Manufacturer Warranty: Materials, forging, heat treatment and dimensions
- Condition: New
Images are for illustrative purposes. The product you receive may differ in finish or packaging from the photograph.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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Manufacturer's Warranty โ CP Pistons
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Manufacturer's Warranty โ CP Pistons
CP-Carrillo guarantees the quality of the steel and aluminum, the forging, the heat treatment and the dimensional sizes of its parts. Because CP-Carrillo has no control over engine assembly or modification, no further warranty is expressed or implied, including any warranty of merchantability or fitness for a particular purpose. Custom-built parts are not returnable.
Warranty terms are set by the manufacturer and may change. Full details and claims are handled directly by CP Pistons. Contact us if you need help with a warranty claim.

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