2Bros Parts

PISTON KIT HARLEY 3.503" SET/2, WOSSNER K8688D170-2 DAVIDSON, ROAD

£1.20

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

Out of Stock

Wossner forged piston kit for Harley-Davidson Shovelhead engines. Bore size is 3.503 inches with a +0.066 inch oversize and an 8.5:1 compression ratio. Features include domed pistons with skirt coating, optimized heat transfer, elliptical design for even bearing surface, and even thrust load distribution to prevent collapse under high stress. This kit includes two pistons, rings, clips, and pins. Manufactured in Germany.

Specifications
SKU
56-W9979.170.WO
Brand
Wossner
Availability
Out of Stock

Fitments (12)

MakeModelYear
HARLEY DAVIDSONSHOVELHEAD 12001966
HARLEY DAVIDSONSHOVELHEAD 12001967
HARLEY DAVIDSONSHOVELHEAD 12001968
HARLEY DAVIDSONSHOVELHEAD 12001969
HARLEY DAVIDSONSHOVELHEAD 12001970
HARLEY DAVIDSONSHOVELHEAD 12001971
HARLEY DAVIDSONSHOVELHEAD 12001972
HARLEY DAVIDSONSHOVELHEAD 12001973
HARLEY DAVIDSONSHOVELHEAD 12001974
HARLEY DAVIDSONSHOVELHEAD 12001975
HARLEY DAVIDSONSHOVELHEAD 12001976
HARLEY DAVIDSONSHOVELHEAD 12001977
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
3.503"
Variant Id
259362
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Wossner Piston Kit for Harley-Davidson Shovelhead

Upgrade your Harley-Davidson Shovelhead engine with this high-performance Wossner piston kit. Designed for 1200 (74 cu. in.) models, this kit provides a direct replacement and performance enhancement for engines manufactured between 1966 and 1977.

Key Features:

  • Forged high-performance pistons with durable skirt coating for extended life.
  • Engineered for optimized combustion heat transfer to cylinder walls, promoting efficient operation.
  • Features an elliptical design that ensures an even bearing surface, even under thermal expansion.
  • Distributes thrust loads evenly, minimizing localized pressure for reduced wear.
  • Prevents piston collapse under demanding high stress and temperature conditions.
  • This comprehensive kit includes two pistons, rings, clips, and pins for a complete installation.

Specifications:

  • Bore Size: 3.503 inches
  • Oversize: +0.066 inches
  • Compression Ratio: 8.5:1
  • Piston Dome Type: Domed
  • Quantity: Kit includes 2 pistons
  • Manufacturing Origin: Germany
Before you buy

QUESTIONS? JUST ASK

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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

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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Out of stock