2Bros Parts

PISTON KIT HARLEY 3.546" SET/2, WOSSNER K8542D120-2 DAVIDSON, ROAD

$1.33

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Delivery to United States 5–8 business days

Out of Stock

Wossner piston kit K8542D120-2 for Harley Davidson 1340 EVO Big Twin (80 cu. in.) engines with a 4.250" stroke. Features a 3.546" bore, +0.044" oversize, and domed forged pistons for a 9.5:1 compression ratio. Includes two skirt-coated, high-performance forged pistons for friction reduction and longevity. Designed to maximise heat transfer and promote even pressure distribution to prevent piston collapse. Manufactured in Germany. Kit includes rings, clips, and pins. Bore size: 3.546" (+0.044" oversize). Compression ratio: 9.5:1. Stroke: 4.250". Piston type: Forged, skirt-coated, domed. Quantity: 2 pistons per kit. Wossner Part Number: K8542D120-2. Alternate Part No: 56-W9957.120.WO.

Specifications
SKU
56-W9957.120.WO
Brand
Wossner
Availability
Out of Stock

Fitments (16)

MakeModelYear
HARLEY DAVIDSONEVO BIG TWIN 13401984
HARLEY DAVIDSONEVO BIG TWIN 13401985
HARLEY DAVIDSONEVO BIG TWIN 13401986
HARLEY DAVIDSONEVO BIG TWIN 13401987
HARLEY DAVIDSONEVO BIG TWIN 13401988
HARLEY DAVIDSONEVO BIG TWIN 13401989
HARLEY DAVIDSONEVO BIG TWIN 13401990
HARLEY DAVIDSONEVO BIG TWIN 13401991
HARLEY DAVIDSONEVO BIG TWIN 13401992
HARLEY DAVIDSONEVO BIG TWIN 13401993
HARLEY DAVIDSONEVO BIG TWIN 13401994
HARLEY DAVIDSONEVO BIG TWIN 13401995
HARLEY DAVIDSONEVO BIG TWIN 13401996
HARLEY DAVIDSONEVO BIG TWIN 13401997
HARLEY DAVIDSONEVO BIG TWIN 13401998
HARLEY DAVIDSONEVO BIG TWIN 13401999
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
3.546"
Variant Id
259323
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Piston Kit for Harley Davidson Big Twin Engines

Upgrade your Harley Davidson 1340 EVO Big Twin engine with this high-performance Wossner piston kit. Engineered for durability and optimal power output, this kit is designed to enhance the thermal performance and strength of your engine.

Key Features:

  • Forged High-Performance Pistons: Includes two durable forged pistons featuring a skirt coating to reduce friction and increase longevity.
  • Optimised Heat Transfer: Designed to efficiently transfer heat from the combustion chamber to the cylinder walls, ensuring consistent performance.
  • Elliptical Design: Promotes even pressure distribution across the piston, preventing collapse due to heat expansion.
  • Domed Piston Configuration: Achieves a 9.5:1 compression ratio for improved performance.
  • Manufactured in Germany: Ensures high-quality German engineering and manufacturing standards.
  • Complete Kit: Includes all necessary rings, clips, and pins for installation.

Specifications:

  • Bore Size: 3.546 inches (0.044 inch oversize)
  • Compression Ratio: 9.5:1
  • Piston Type: Forged, skirt-coated, domed
  • Quantity: 2 pistons per kit
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

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Out of stock