S&S CYCLE 129" Power Package for M8 — 4.32" bore, 4-3/8" stroke, Wrinkle Black – 18-23 Softail, 17-19, 21-23 Touring, 22 CVO, 17-23 Trike

Bolt-on power package for M8 that increases displacement without case machining. ⚙️🔧

• Big-bore bolt-on cylinders with forged pistons and a high compression design for improved torque and throttle response.
• Enhanced oiling system with independent scavenge sections, debris screens in pickups, and a magnet in the cam chest to help protect the oil pump.
• Service-friendly features include removable passage plugs, an adjustable pressure relief valve that can be set with the unit installed, and all necessary gaskets, bearings and hardware for bolt-on installation.
• Upgraded valvetrain components include premium tappets, hard-anodized billet tappet cuffs, quick pushrods, high-capacity cams and compatible valve springs for aggressive performance builds.
• Includes an anodized oil pump/cam plate and other internal improvements for durability and reliability.
• Made in the USA.