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Wiseco Piston Kit 107ci 11:1 Compression for Harley-Davidson 2017-2021 K2784

Part Number: 09031551
WISECO
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SKU:
09031551
MPN:
K2784
Condition:
New
Availability:
Ships Same Business Day
Weight:
2.85 LBS
On Sale
MSRP: $524.95
Now: $446.00
Was: $524.95
— You save $78.95

Ships from Manufacture | Call to Order (231) 767-5055

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Description

If you're looking to unlock more power from your M8 without sacrificing reliability, this Wiseco piston kit delivers the compression and durability you need. The 11:1 compression ratio produces measurable gains in peak horsepower and torque, while Wiseco's proprietary coatings protect against wear during extended high-load riding. Whether you're chasing track times or demanding better street performance, this is the foundation for a truly responsive engine.

Technical Specifications:

  • Engine Platform: Harley-Davidson M8
  • Displacement: 107 cubic inches
  • Compression Ratio: 11:1
  • Fitment: 2017–2021 Harley-Davidson
  • Manufacturer Part Number: K2784
  • Material: Forged aluminum
  • ArmorX™ piston coating
  • ArmorFit™ skirt coating
  • Dome-shaped design
  • Superfinish piston pin
  • Dedicated ring set
  • Installation: Requires professional machine work
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Specs

BORE - OVERSIZE:
STANDARD
COMPRESSION RATIO IMPERIAL:
11.0:1
UNITS:
KIT
BORE SIZE IMPERIAL:
3.937'
DISPLACEMENT:
1746 CC
PRODUCT NAME:
PISTON KIT
RIDING STYLE:
STREET
SKIRT COATING:
ARMORFIT™
STROKE LENGTH IMPERIAL:
4-3/8'
BORE OVERSIZE - IMPERIAL:
STANDARD
PISTON HEAD SHAPE:
DOMED
PISTON MATERIAL:
ARMORX™
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Fitment

Fitment for Wiseco Piston Kit 107ci 11:1 Compression for Harley-Davidson 2017-2021 K2784

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