S&S CYCLE 129" Power Package — 129" displacement, 4.32" bore, 11.0:1 compression ratio – 18-26 Softail, 24-26 Touring, 17-26 Trike, 25 CVO

Build more displacement without case machining. This S&S CYCLE Power Package increases a 107" M8 to 129" and is designed for bolt-on installation.

It combines 4.32" bore cylinders, 11.0:1 forged pistons, S&S 550 cams, premium tappets, Quickee pushrods, and an S&S oil pump/cam plate in a blue anodized finish.

Oil control features include independent scavenge sections for the flywheel cavity and cam chest, debris screens in both scavenge pickups, a cam chest magnet, and increased oil flow capacity on the feed and scavenge side.

The adjustable pressure relief valve can be adjusted with the unit installed in the engine. Includes S&S hard-anodized, black coated tappet cuffs with billet aluminum construction.

Made in the USA. Compatible with VVT models. Not for any Trike models. Intake/rocker cover gaskets not included.