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Wiseco 4722P2 Forged Piston .020 Over 3517X 1340 Evo Big Twin 8.5:1 Compression

(Harley-Davidson FLSTF Fat Boy 1991-96, FLHTCU Electra Glide Ultra Classic 1989-97, FLHR Road King 1994-98 + 30 more models)

Manufacturer

Picture for manufacturer Wiseco Pistons

Part Number

4722P2
13 reviews
Sale Price

$187.99

Estimated ship date Friday, November 27

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Product Details

The Wiseco 4722P2 is a forged replacement piston designed for the Harley-Davidson 80 cu. in. (1340cc) Evolution Big Twin engine. This piston is sized .020" over standard bore, measuring 3.518" (3517X) in diameter, and is engineered for an 8.5:1 compression ratio with a 4.250" stroke. It is sold as a single replacement piston and is also available as part of Wiseco's complete K-Kit and VT Kit configurations.

Key Specifications:

  • Part Number: 4722P2
  • Ring Set: 3517X
  • Bore Size: 3.518" / .020" oversize
  • Displacement: 1353cc (with .020" overbore)
  • Compression Ratio: 8.5:1
  • Stroke: 4.250"
  • Dome Volume: -1.5cc
  • Valve Pocket Depth (Int.): -.178" / Dia: 2.000"
  • Valve Pocket Depth (Ext.): -.178" / Dia: 2.000"

Construction & Manufacturing:

  • Forged from high-silicon, low-expansion aluminum alloy for superior strength, reduced weight, improved heat transfer, and extended service life
  • CNC diamond-turned finish ensures precise sizing with no variation, compatible with cast iron, chrome, Nikasil, and boron composite cylinder bore compositions
  • Aerospace-grade forging process aligns grain flow for superior resistance to impact and fatigue versus cast alternatives
  • Engineered using 3D design techniques and finite element modeling for optimal strength-to-weight ratio

Oversize Notes: This .020" oversize piston is designed to restore worn cylinders. Cast iron lined cylinders can be bored directly to accept this oversize. Chrome, Nikasil, and boron composite cylinders will require resleeving prior to installation.

Products specifications

Fits

Harley-Davidson FLSTF Fat Boy 1991-96, FLHTCU Electra Glide Ultra Classic 1989-97, FLHR Road King 1994-98, FLSTC Heritage Softail Classic 1988-99, FLHTC Electra Glide Classic 1984-98, FXDWG Dyna Wide Glide 1993-99 + 27 more models

Piston Material

2618

Prop 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Engine Type

ICE

Product Type

Engine Piston Kit

Industry

Powersports

Out of Stock Message

Estimated Shipped Date 3-4 Weeks

EBAY Category ID

177976

Product Series

4 Stroke Forged Series

Skirt Coating

No

Make

Harley-Davidson

Product Market

V-Twin

Engine

Evo 80

Compression Ratio Actual

8.5:1

Bore Diameter

3.518

Piston Diameter

3.5155

Title

Wiseco 4 Stroke Forged Series Piston Kit, 3.518 IN Bore, 8.5:1 CR

Included Components

Ring Set #3517X, Wrist Pin #S534, CirClip #W5731

Title - Web

Harley-Davidson Evo 80 Wiseco Piston Kit - 3.518 in. Bore

Easy to follow web site

So far so good, super easy payment method, tapped into my Amazon account and saved $10 over Amazon prices. We'll see if shipping and product is as described.

GOOD EXPERIENCE

Very easy. Tried O'Reilly's and that was a pain. I'm ordering from Australia.

Fast and easy

Fast & easy one stop website. 5 Stars!

Good. quick checkout

Easy and simple.

very easy

Very fast shipping, always great prices.

very easy

Quick and easy with clear part numbers and photos.

Great company... Good customer support. I will shop with them again.

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