S&S Cycle 2017+ M8 131in 4-5/8in Stroke Hot Set Up Kit - Wrinkle Black w/o Highlight
$2,695.95
The S&S Cycle 131" kit for 2017 and up M8 is the perfect sleeper package. Boost your engine displacement to get some big numbers at the rear wheel, without advertising it. The kit bolts in with no machine work required and keeps your bike looking stock for the "sleeper" approach. Our 131" kit includes all the necessary gaskets for the installation and if you want to tell everyone what you have, a new 131" badge is included for your cam cover.
- Huge displacement increase means huge power increase
- Original engine serial numbers are retained
- Powder coat finish matches factory finishes
- Includes 131" Cam Cover Badge
- Works with stock crankcases
- Retains stock engine height
- 4.250" bore, 4.625" stroke
- 11.0:1 compression ratio
- Without headlight
Upgrade your 2017 and newer Harley-Davidson Milwaukee-Eight engine with the S&S Cycle 131ci Hot Set Up Kit, part number SSC320-0622. Designed as a sleeper-style performance package, this kit increases engine displacement for substantial rear-wheel power gains while maintaining a factory-like appearance. The wrinkle black finish is designed to complement original engine finishes, helping the installation blend with the motorcycle’s stock styling.
The S&S Cycle 131ci kit is engineered to install with stock crankcases and requires no machine work, making it a practical solution for riders seeking increased performance without altering the original engine height. Original engine serial numbers are retained, and the included gaskets provide the required sealing components for installation. The kit also includes a 131ci cam cover badge for riders who prefer to identify the upgraded engine package.
With a 4.250-inch bore, 4.625-inch stroke, and 11.0:1 compression ratio, this S&S Cycle performance kit provides a significant displacement increase over the factory configuration. It is intended for powersports applications and is not CARB approved. Professional installation and proper calibration are recommended to help ensure reliable operation and compatibility with the rest of the motorcycle’s performance system.
Features:
- 131ci displacement increases engine capacity and performance potential
- Designed for 2017 and newer Milwaukee-Eight engines
- Installs with stock crankcases and requires no machine work
- Retains original engine serial numbers
- Maintains stock engine height
- Wrinkle black powder coat finish complements factory engine finishes
- Includes gaskets required for installation
- Includes a 131ci cam cover badge
- 4.250-inch bore and 4.625-inch stroke
- 11.0:1 compression ratio
- Not CARB approved