Specifications
- Brand
- CP Pistons
- Part #
- BHM8120

CP Pistons M8 120 10.75:1
$466.46
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CP Pistons M8 120 10.75:1 piston set for Harley-Davidson M8 engines.
Key Features
- Fits a wide range of Harley-Davidson M8 models from 2017-2021.
- Designed for a 10.75:1 compression ratio for improved performance.
- Bore size is 4.125 inches.
- Stroke is 4.500 inches.
- Displacement is 120 cubic inches.
- Dome height is 1.080 inches.
Product Details
If you're looking to get more out of your Harley-Davidson M8 engine, a piston upgrade can make a big difference. These CP Pistons are designed for a 10.75:1 compression ratio, which is a notable bump over stock and can help you achieve improved performance. They're built for the 120 cubic inch displacement with a 4.500 inch stroke and a 4.125 inch bore size.
CP Pistons are well-built and known for their strength. This set features a dome volume of -4.0 cubic inches and a dome height of 1.080 inches, contributing to that higher compression. They fit a wide range of Harley-Davidson models from 2017 through 2021, including popular bikes like the Road King, Street Glide, and Fat Boy 114. This is a solid option if you're rebuilding your top end or looking for a performance boost.
Specifications
- Brand
- CP Pistons
- Manufacturer Part #
- BHM8120
Frequently Asked Questions
CP Pistons M8 120 10.75:1
