S&S CYCLE 128" Power Package Engine Performance Kit - Chain Drive
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Features
- Big-bore bolt-on kit increases 114"/117" with 4-1/2" stroke M-Eight with no case machining required
- 4-1/4" bore cylinders with 11:1 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 with chrome pushrod tubes
- S&S premium tappets
- S&S hard-anodized, black coated tappet cuffs are billet aluminum construction
- Improve tappet stability in high-lift, high-rpm situations
- S&S 550 cams designed for big bore applications
- S&S valve springs work with cams up to .605" lift
- High-performance conical single-wire spring design
- All necessary gaskets, bearings, and hardware for bolt-on installation is included
- Made in the U.S.A.
- Not recommended for Tri-Glide or other three wheel models including conversion due to lugging nature of these bikes.
CALIFORNIA WARNING: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. Not legal for sale or use on any EPA pollution controlled motor vehicle.
Specs
| Product Name | Performance Kit |
| Type | Engine |
| Style | Big Bore |
| Model | Power Package |
| Color/Finish | Black Granite / Highlighted Fins |
| Stroke Length | 4.50" |
| Displacement | 128" |
| Bore Size | 4.250" |
| Compression Ratio | 11.1:1 |
| Cam Drive Type | Chain |
| Cooling System | Water Cooled / Oil Cooled |
| Units | Kit |
| Riding Style | Street |
Return Policy:
At Lifestyle Cycles we want your experience with us to be that of pleasure and our service to be equalled by none. Buying parts and accessories for your bike should be quick, simple and easy! We are also riders and builders! We know that you may not be ready to install the parts and accessories right when you get them. With that in mind, we have a 60-day return policy, which means you have 60 days after receiving your item to request a return.
Read our full return policy here.
Shipping Info:
At Lifestyle Cycles we want your experience with us to be that of pleasure and our service to be equalled by non. Buying parts & accessories for your bike should be quick, simple & easy! We are also riders and builders. We know that you want your parts & accessories as quickly as possible.
Read our full shipping policy here.