Keith Black KB295 .040 1200cc Piston Set .040 Oversize

Keith Black flat top piston set is .040 oversize with a 8.9:1 compression ratio for 1988-up XL 1200cc Evolution models.

The Keith Black KB295 .040 1200cc Piston Set .040 Oversize is made from a hypereutectic alloy cast in a permanent steel mold. This construction supports a lightweight piston design intended to make more power, use less fuel, and provide extended service life. The pistons are .040 oversize for a 3.498-inch bore and provide a 9:1 compression ratio.

The alloy’s low heat transfer helps keep the skirts cooler, minimizing piston expansion. Combined with high compression ring placement, this design supports increased power and economy. High ring placement also helps reduce detonation and increases top ring temperature.

New pistons and rings should be properly broken in. Run the engine at moderate speeds for at least 500 miles and avoid excessive operation in lower gears during the break-in period. Installation instructions are available in the Keith Black Piston Installation Guide referenced in the product data. Brand: Keith Black. Part number: KB295 .040. Unit of measure: set. Country of origin: Mexico.

Features:

• Hypereutectic Alloy: Cast in a permanent steel mold for a lightweight piston design.
• Bore Size: .040 oversize for a 3.498-inch bore.
• Compression Ratio: 9:1 compression ratio.
• Heat Control: Low heat transfer helps keep the piston skirts cooler and minimizes expansion.
• Ring Placement: High compression ring placement supports power and economy while helping reduce detonation.
• Application: Fits 1988–1997 Harley-Davidson XL models as listed in the product data.
• Accessory Items: 16-0622 - Ring-O-Matic Ring Compressor Tool Kit, 16-0029 - Connecting Rod Clamping Tool, 60-0167, 16-0976 - Piston Ring Grinder

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