129 Power Package Highlighted Fins-Wrinkle Black

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

4.32" bore cylinders with 11.0:1 compression ratio forged pistons

S&S oil pump/cam plate with blue anodized finish

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

S&S premium tappets

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

S&S 550 cams are designed for big bore applications

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

High-performance conical single wire spring design

Made in the USA

Will fit VVT models.

Not for any Trike models.

Intake/rocker cover gaskets not included.

BORE SIZE	4,320"
CAM DRIVE TYPE	Gear
COLOR/FINISH	Highlighted Fins, Wrinkle Black
COMPRESSION RATIO	11,0:1
COOLING SYSTEM	Oil Cooled
DISPLACEMENT	129"
FEATURES	Black Pushrod Tubes
MODEL	Performance Kit
PRODUCT NAME	Power Package
STROKE LENGTH	4,375"
STYLE	550G
UNITS	Kit
VENDOR PART NUMBER	310-1227D