S&S CYCLE 129" Power Package for M8 — 4.32" bore, 4-3/8" stroke, 11.0:1 compression – 18-23 Softail, 17-19, 21-23 Touring, 22 CVO, 17-23 Trike

Upgrade your M8 with S&S's bolt-on Power Package that delivers durable, track-ready performance. 🚀

This complete kit provides a top-end and supporting components engineered for increased torque and reliability without case machining, and installs using a bolt-on procedure.

• Big-bore cylinders and forged pistons for long-lasting strength.
• S&S oil pump and cam plate with anodized finish, removable passage plugs, and independent scavenge sections for optimal oil control.
• Debris screens on scavenge pickups and a magnet in the cam chest to protect the oil pump.
• Adjustable pressure relief valve serviceable with the unit installed, plus premium tappets, Quickee pushrods, and hard-anodized billet tappet cuffs.
• Includes all necessary gaskets, bearings and hardware for bolt-on installation.

Designed for big-bore applications and made in the USA. 🔧🇺🇸