SKU:11-9917

Wiseco Forged .040 10.5:1 Compression Piston Kit for Harley Davidson XL - Part K1689

Wiseco Forged .040 10.5:1 Compression Piston Kit for Harley Davidson XL - Part K1689

Regular price $247.99 USD
Sale price $247.99 USD Regular price
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Wiseco piston set is .040 oversize and has a compression of 10.5:1. Set includes Hasting X rings.

Upgrade your Harley Davidson XL engine with the Wiseco Forged .040 inch oversized piston kit, designed for optimal performance and durability. Crafted in the USA, this kit includes high-quality forged pistons with a 10.5:1 compression ratio, providing increased power and efficiency for models from 1988 through 1997. The precision engineering ensures a proper fit and reliable operation, making it a preferred choice for motorcycle enthusiasts and professional mechanics alike.
Proper break-in is essential for new pistons and rings; Wiseco recommends running the engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears. For detailed installation instructions, refer to the provided guide: Piston Installation Guide. This kit is compatible with Harley Davidson XL models from 1988 to 1997, ensuring a perfect fit for your vintage or custom motorcycle.
The set comes with all necessary components for a seamless installation, including forged pistons, rings, and accessories. For optimal results, consider pairing this kit with the recommended piston rings and installation tools, such as the Wiseco 3-1/2 inch Evolution Piston Ring .040 Oversize, Ring-O-Matic Ring Compressor Tool Kit, and Connecting Rod Clamping Tool. Proper installation and break-in will maximize performance and longevity of your engine. Whether you're restoring a classic Harley or upgrading your current setup, this Wiseco piston kit offers reliable performance and high-quality craftsmanship.
Trust Wiseco's expertise and American manufacturing standards to deliver a durable, high-performance piston kit that enhances your motorcycle's power and efficiency.

Features:

  • UOM: KIT
  • Country of Origin: USA
  • Designed for Harley Davidson XL models from 1988 to 1997
  • Forged construction for strength and durability
  • Oversize: .040 inch for increased displacement
  • Compression Ratio: 10.5:1 for improved power output
  • Includes pistons, rings, and essential accessories
  • Recommended break-in procedure for optimal performance

Fitment
Harley Davidson XL 1988
Harley Davidson XL 1989
Harley Davidson XL 1990
Harley Davidson XL 1991
Harley Davidson XL 1992
Harley Davidson XL 1993
Harley Davidson XL 1994
Harley Davidson XL 1995
Harley Davidson XL 1996
Harley Davidson XL 1997
Harley Davidson XL 1998
Harley Davidson XL 1999
Harley Davidson XL 2000
Harley Davidson XL 2001
Harley Davidson XL 2002
Harley Davidson XL 2003
Harley Davidson XL 2004
Harley Davidson XL 2005
Harley Davidson XL 2006
Harley Davidson XL 2007
Harley Davidson XL 2008
Harley Davidson XL 2009
Harley Davidson XL 2010
Harley Davidson XL 2011
Harley Davidson XL 2012
Harley Davidson XL 2013
Harley Davidson XL 2014
Harley Davidson XL 2015
Harley Davidson XL 2016
Harley Davidson XL 2017
Harley Davidson XL 2018
Harley Davidson XL 2019
Harley Davidson XL 2020
Harley Davidson XL 2021
Harley Davidson XL 2022
Harley Davidson XL 2023
Harley Davidson XL 2024
Harley Davidson XL 2025
Harley Davidson XL 2026

Only 10 piece in stock!


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