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Wiseco HD Milwaukee 8 107cid 11.01 CR (X) Piston Kit

SKU: WISK2784

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports

Wiseco HD Milwaukee 8 107cid 11.01 CR (X) Piston Kit

SKU: WISK2784

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports

A$991.35
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Wiseco® Black Edition Piston Series equipped with ArmorX™ piston coating and ArmorFit™ skirt coating adding superior protection in extreme conditions, reduced wear.

Part Type

Engine Piston Set

Data: v4.2 - Upd: 2026-09-30 17:36:54

Features

  • ArmorFit skirt coating allows forged piston to be installed at tighter clearance, conforming to the cylinder bore through normal operation for ideal performance with less guesswork
  • ArmorX coating applied to piston crown, ring grooves, and pin bore through proprietary electrochemical process and materials
  • Engineered, forged, and machined in the USA in Mentor, OH
  • Greatly increased resistance to wear and damage caused by heat and detonation plus resists ring microwelding
  • Ideal for high-performance environments - from natural aspiration to power adders
  • Kits include ring packs, wrist pins, and circlips
  • Remains durable in high load, high cylinder pressure, high heat environments
  • Various compression ratios and bore sizes available off the shelf to fit specific builds

Specifications

Product Attributes - Brand
Wiseco
Product Attributes - Manufacturer's Part Number
K2784
Product Attributes - Part Type
Powersports Piston and Ring Kits
Product Attributes - Product Line
Wiseco Black Edition V-Twin Piston Kits
Product Attributes - UPC
193564150288
Product Attributes - Piston Material
Forged aluminum
Product Attributes - Piston Style
Dome, with four valve reliefs
Product Attributes - Piston Head Volume (cc)
-3.20cc
Product Attributes - Bore (in.)
3.937 in.
Product Attributes - Bore (mm)
100.000mm
Product Attributes - Stroke
4.375 in.
Product Attributes - Wrist Pin Style
Floating
Product Attributes - Pin Diameter (in.)
0.927 in.
Product Attributes - Wrist Pin Retainers Included
Yes
Product Attributes - Top Ring Thickness
1.2mm
Product Attributes - Top Ring Material
Steel
Product Attributes - Top Ring Facing Material
Gas nitrided
Product Attributes - Second Ring Thickness
1.2mm
Product Attributes - Second Ring Material
Cast iron
Product Attributes - Second Ring Facing Material
Phosphate coated
Product Attributes - Oil Ring Material
Stainless steel
Product Attributes - Oil Ring Facing Material
Nitride
Product Attributes - Oil Ring Thickness
3.0mm
Product Attributes - File Fit
No
Product Attributes - Gapless
No
Product Attributes - Gaskets Included
No
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Wiseco
StreetFX SKU wisK2784
SFX Item ID 4066233
Supplier Item Code 4066233
Manufacturer SKU K2784
Manufacturer UPC 193564150288
Alternative References 107cid

Compatibility

Application Data
  • MakeHARLEY-DAVIDSON
    ModelFLDE DELUXE 107
    Beginning Year2018
    Ending Year2020
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLFB FAT BOY 107
    Beginning Year2018
    Ending Year2020
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHC HERITAGE CLASSIC 107
    Beginning Year2018
    Ending Year2021
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHRC ROAD KING CLASSIC
    Beginning Year2020
    Ending Year2020
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHR ROAD KING
    Beginning Year2017
    Ending Year2022
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHRXS ROAD KING SPECIAL
    Beginning Year2017
    Ending Year2021
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHTCU ELECTRA GLIDE ULTRA CLASSIC
    Beginning Year2017
    Ending Year2019
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHTCUTG TRI GLIDE ULTRA
    Beginning Year2017
    Ending Year2019
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHT ELECTRA GLIDE STANDARD
    Beginning Year2019
    Ending Year2022
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHTKL ULTRA LIMITED LOW
    Beginning Year2017
    Ending Year2019
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHTK ULTRA LIMITED
    Beginning Year2017
    Ending Year2021
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHXS STREET GLIDE SPECIAL
    Beginning Year2017
    Ending Year2021
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHX STREET GLIDE
    Beginning Year2017
    Ending Year2023
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLRT FREEWHEELER
    Beginning Year2017
    Ending Year2019
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLSB SPORT GLIDE 107
    Beginning Year2018
    Ending Year2021
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLSL SOFTAIL SLIM 107
    Beginning Year2018
    Ending Year2021
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLTRU ROAD GLIDE ULTRA
    Beginning Year2017
    Ending Year2019
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLTRX ROAD GLIDE
    Beginning Year2017
    Ending Year2023
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLTRXS ROAD GLIDE SPECIAL
    Beginning Year2017
    Ending Year2021
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFXBB STREET BOB 107
    Beginning Year2018
    Ending Year2020
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFXBR BREAKOUT 107
    Beginning Year2018
    Ending Year2020
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFXFB FAT BOB 107
    Beginning Year2018
    Ending Year2020
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFXLR LOW RIDER 107
    Beginning Year2018
    Ending Year2020
    Powersports Compression Ratio11.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFXST SOFTAIL STANDARD 107
    Beginning Year2020
    Ending Year2024
    Powersports Compression Ratio11.00 to 1

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