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

Build more displacement from your 107" M8 with this bolt-on big-bore kit that raises the engine to 129" without case machining.

It combines 4.32" bore cylinders, 11.0:1 forged pistons, S&S 550 cams, Quickee pushrods, premium tappets, and valve springs designed for cams up to 0.605" lift.

The S&S oil pump/cam plate adds independent scavenge sections for the flywheel cavity and cam chest, debris screens in both pickups, a cam chest magnet, increased oil flow capacity, and an adjustable pressure relief valve that can be adjusted with the unit installed.

Includes blue anodized and black-coated S&S components, and it is compatible with VVT models. Not for any Trike models. Intake/rocker cover gaskets are not included.