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Wiseco Harley 1340 (3497X-4724/4725PS) Piston Kit

SKU: WISK1665

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports...

Wiseco Harley 1340 (3497X-4724/4725PS) Piston Kit

SKU: WISK1665

Powersports Piston and Ring Kits

WIS Piston Sets - Powersports...

A$772.37
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

V-Twin performance has been around since some of the earliest days of motorcycle racing and engine modification, and Wiseco has been there since the beginning. Applying over 80 years of experience, Wiseco has fine-tuned its V-Twin pistons for each specific engine platform to optimize performance and durability. From reliable rebuilds to all-out race, Wiseco has the pistons for your V-Twin build.

Part Type

Engine Piston Set

Data: v4.2 - Upd: 2026-10-13 16:57:23

Features

  • 3.498 in. Bore, 10:1 CR
  • Dedicated forgings allow for optimized strength-to-weight ratio
  • Designed and built for each specific 4-stroke powersports engine
  • Designed and built specifically for each V-Twin engine platform
  • Engineered, forged, and machined in the USA in Mentor, OH
  • Improved tensile strength of forged material optimizes strength and service life
  • Includes high-quality piston rings, wrist pin(s), and circlips
  • Optimized compression ratio to fit your build and performance goals
  • Wrist pin, rings and circlips included

Specifications

Product Attributes - Brand
Wiseco
Product Attributes - Manufacturer's Part Number
K1665
Product Attributes - Part Type
Powersports Piston and Ring Kits
Product Attributes - Product Line
Wiseco Powersports Piston Kits
Product Attributes - UPC
00193564149800
Product Attributes - Piston Material
Forged aluminum
Product Attributes - Bore (in.)
3.498 in.
Product Attributes - Stroke
4.250 in.
Product Attributes - Rod Length
7.440 in.
Product Attributes - Wrist Pin Style
Floating
Product Attributes - Wrist Pin Retainers Included
Yes
Product Attributes - Top Ring Material
Cast iron
Product Attributes - Top Ring Facing Material
Moly
Product Attributes - Second Ring Material
Cast iron
Product Attributes - Second Ring Facing Material
Cast iron
Product Attributes - Oil Ring Material
Stainless steel
Product Attributes - Oil Ring Facing Material
Chrome
Product Attributes - File Fit
No
Product Attributes - Gapless
No
Product Attributes - Gaskets Included
No
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Kit includes 2 pistons, rings, circle clips, and 2 wrist pins.

Reference Information

Brand Name/s Wiseco
StreetFX SKU wisK1665
SFX Item ID 4066421
Supplier Item Code 4066421
Manufacturer SKU K1665
Manufacturer UPC 193564149800
Alternative References (3497X-4724/4725PS)

Compatibility

Application Data
  • MakeHARLEY-DAVIDSON
    ModelFLH ELECTRA GLIDE
    Beginning Year1984
    Ending Year1985
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHRCI ROAD KING CLASSIC
    Beginning Year1998
    Ending Year1999
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHRI ROAD KING
    Beginning Year1996
    Ending Year1997
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHR ROAD KING
    Beginning Year1994
    Ending Year1999
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHS ELECTRA GLIDE SPORT
    Beginning Year1984
    Ending Year1984
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHS ELECTRA GLIDE SPORT
    Beginning Year1987
    Ending Year1993
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHTC ELECTRA GLIDE CLASSIC
    Beginning Year1984
    Ending Year1999
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHTCI ELECTRA GLIDE CLASSIC
    Beginning Year1996
    Ending Year1999
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHTCU ELECTRA GLIDE ULTRA CLASSIC
    Beginning Year1989
    Ending Year1997
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHTCUI ELECTRA GLIDE ULTRA CLASSIC
    Beginning Year1995
    Ending Year1999
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHT ELECTRA GLIDE STANDARD
    Beginning Year1986
    Ending Year1987
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHT ELECTRA GLIDE STANDARD
    Beginning Year1995
    Ending Year1999
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLHX ELECTRA GLIDE SPECIAL
    Beginning Year1984
    Ending Year1985
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLSTC HERITAGE SOFTAIL CLASSIC
    Beginning Year1988
    Ending Year1999
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLSTF FAT BOY
    Beginning Year1990
    Ending Year1999
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLST HERITAGE SOFTAIL
    Beginning Year1986
    Ending Year1990
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLSTN HERITAGE SOFTAIL NOSTALGIA
    Beginning Year1993
    Ending Year1993
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLSTN HERITAGE SOFTAIL SPECIAL
    Beginning Year1994
    Ending Year1996
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLSTS HERITAGE SPRINGER
    Beginning Year1997
    Ending Year1999
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLTC TOUR GLIDE CLASSIC
    Beginning Year1984
    Ending Year1991
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLTCUI TOUR GLIDE ULTRA CLASSIC
    Beginning Year1996
    Ending Year1996
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLTCU TOUR GLIDE ULTRA CLASSIC
    Beginning Year1989
    Ending Year1995
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLTRI ROAD GLIDE
    Beginning Year1998
    Ending Year1999
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFLTR ROAD GLIDE
    Beginning Year1998
    Ending Year1999
    Powersports Compression Ratio10.00 to 1
  • MakeHARLEY-DAVIDSON
    ModelFXDB-D DYNA GLIDE DAYTONA
    Beginning Year1992
    Ending Year1992
    Powersports Compression Ratio10.00 to 1

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