Engine Performance Kit

Engine Performance Kit

Updated profile to fit M8 models including the VVT models

Big bore bolt-on kit increases 107" M8 to 129" with no case machining required

S&S oil pump/cam plate

Passage plugs are removable for servicing

Independent scavenge sections for flywheel cavity and cam chest

Debris screen in both scavenge pickups

Magnet in cam chest to help prevent debris from entering the oil pump

Increased oil flow capacity on both the oil feed and scavenge side

Adjustable pressure relief valve can be adjusted with the unit installed in the engine

Quickee pushrods with pushrod tubes

S&S premium tappets

S&S hard anodized, black coated tappet cuffs are billet aluminum construction

S&S valve springs; work with cams up to 0.605" lift

High performance conical single wire spring design

MLS (multi-layered steel) head gasket

496 camshaft

Made in the USA

Retains stock engine height.

Works with stock crankcases.

Works with the stock and S&S roller rocker arms.

Original engine serial numbers are retained.

Compatible with the stock valve springs, both first generation (round port) and second generation (oval port).