2Bros Parts

PISTON KIT HARLEY 3.534 SET/2, WOSSNER K8542D090-2 DAVIDSON, ROAD

£1.20

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UK delivery £4.99, free over £60 2–4 business days

Out of Stock

Wossner forged high-performance piston kit for Harley Davidson 1340 EVO Big Twin engines (80 cu. in.) with a 4.250" stroke. Features 3.534" bore size, +0.032" oversize, and domed pistons for a 9.5:1 compression ratio. The kit includes 2 skirt-coated pistons for reduced friction and extended service life, engineered for optimal combustion chamber heat transfer and even load distribution. Made in Germany, this kit includes rings, clips, and pins. Wossner Part Number: K8542D090-2.

Specifications
SKU
56-W9957.090.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
3.534"
Variant Id
259322
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Piston Kit for Harley Davidson 1340 EVO Big Twin

Upgrade your Harley Davidson's engine performance with this high-quality Wossner piston kit. Specifically designed for 1340 EVO Big Twin engines, this kit is engineered for durability and enhanced power output. The pistons are forged from premium materials and feature advanced coatings for superior friction reduction and longevity.

Key Features:

  • Forged High-Performance Pistons: Includes two pistons with skirt coatings to minimize friction and extend service life.
  • Optimized Heat Transfer: Engineered to efficiently transfer combustion heat to the cylinder walls for improved thermal management.
  • Elliptical Design: Ensures even load distribution across the piston surface, preventing collapse during thermal expansion.
  • Domed Piston Configuration: Delivers a 9.5:1 compression ratio, enhancing both performance and thermal efficiency.
  • German Manufacturing: Precision crafted in Germany for exceptional quality and reliability.
  • Complete Kit: Includes all necessary rings, clips, and pins for a straightforward installation.

Specifications:

  • Bore Size: 3.534 inches (+0.032 inch oversize)
  • Compression Ratio: 9.5:1
  • Stroke: 4.250 inches
  • Piston Type: Forged, skirt-coated, domed
  • Quantity: 2 pistons per kit
  • Manufacturer: Wossner
  • Wossner Part Number: K8542D090-2
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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.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

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