Power Pack Big Bore Kit:
Bolt on kit. No case machining required
4.250" bore
Forged pistons
11.1: compression ratio
Oil Pump/Cam Plate
Precision machined from billet aluminum
Passage plugs removable for servicing
Independent scavenge sections for flywheel cavity and cam chest
Debris screens in both scavenge pickups
Magnet in cam chest to help to stop debris from entering oil pump
Increased flow capacity on both feed and scavenge side
Pressure Relief Valve is adjustable with unit installed in engine
Pushrods:
Quickee pushrods
Tappets:
S&S premium tappets
Tappet Cuffs:
Billet aluminum construction
Stronger than stock material eliminates distortion
Improve tappet stability in high lift and high rpm situations
Cam:
S&S 550 Cam- Designed for Big Bore applications
Valve Springs:
Work well with cams up to .605 lift
High-performance conical single wire spring
Made in the U.S.A.
