Engine Rebuild Kits
S&S CYCLE 129" Power Package - HPT496 - Chain Drive - Oil Cooled - Black with Highlights - 107" M8
DiscontinuedBrand: S&S CYCLE
SKU: P1289481844393
$3,294.95
$3,013.60
THIS ITEM SHIPS FREE
Estimated arrival in 2–3 days
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129" Power Package Engine Performance Kit
Fitment
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Product Details
Highlights
- Big bore bolt-on kit increases 107" M8 to 129" with no case machining required
- Big bore 4.320" cylinder with 11.0:1 forged pistons
- 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
- HPT496 cam designed for big bore applications
- MLS (multi-layered steel) head gasket
- Includes 129 cam cover badge
- 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).
- Black Pushrod Tubes
Specifications
| Bore Size Imperial | 4.320" |
|---|---|
| Cam Drive Type | Chain |
| Color/Finish | Black / Highlighted Fins |
| Compression Ratio Imperial | 11.0:1 |
| Cooling System | Oil Cooled |
| Displacement | 129" |
| Model | Performance Kit |
| Riding Style | Street |
| Style | HPT496 Series |
| Type | Engine |
| Units | Kit |
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