S&S CYCLE 132" Power Package Engine Performance Kit — 4.320" bore, 11.0:1 compression, Black – 17-24 Touring, 17-25 Trike

Upgrade your M8 with a bolt-on big bore package that increases 114"/117" with a 4.50" stroke M8 to 132" without case machining required.

• Big bore 4.320" cylinder with 11.0:1 forged pistons.
• S&S oil pump and cam plate; passage plugs are removable for servicing.
• Independent scavenge sections for the flywheel cavity and cam chest, each with debris screens and a magnet in the cam chest to help prevent debris from entering the oil pump.
• Increased oil flow capacity on both oil feed and scavenge sides, with an adjustable pressure relief valve that can be set with the unit installed.
• Quickee pushrods with pushrod tubes, S&S premium tappets, and hard anodized billet aluminum tappet cuffs.
• S&S valve springs designed to work with cams up to 0.605" lift and HPT496 cam developed for big bore applications.
• MLS head gasket, includes 132 cam cover badge, retains stock engine height, works with stock crankcases and roller rocker arms, and preserves original engine serial numbers.
• Made in the USA.