Wiseco 103 Inch Twin Cam Flat Top Piston Kit VT2790 for Harley FXST
103 cubic inch big-bore Wiseco flat-top piston kit with a 3-7/8 inch bore and 9.6:1 compression for Harley-Davidson FXST models. This standard piston kit includes a top-end gasket set and Armor X coated pistons for durability under high-performance use.
Made in the USA, VT2790 is engineered for precise fit and reliable performance across Harley-Davidson FXST model years 2007–2017, with compatibility also listed for related FLST, FLT, and FXD model ranges within the same years.
Break-in and installation: proper installation and break-in are essential; run at moderate speeds for at least 500 miles and avoid excessive running in lower gears to ensure rings seat properly and maximize piston lifespan.
- Displacement: 103 cu in
- Compression: 9.6:1
- Bore: 3-7/8 in
- Piston coating: Armor X
- Includes: top-end gasket set
- Made in the USA
- Fits: Harley-Davidson FXST 2007–2017 (and listed for FLST, FLT, FXD in the same years)
103 inch Big bore Wiseco flat top standard piston kit has a compression of 9.6:1 with 3-7/8 inch bore. Kit includes top end gasket set and pistons that are Armor X coated.
Upgrade your Harley Davidson FXST engine with the Wiseco 103 Inch Twin Cam Flat Top Piston Kit, part number VT2790. This kit features durable Armor X coated pistons designed to withstand high-performance applications and enhance engine longevity. Crafted in the USA, these pistons are engineered for precise fit and optimal performance across multiple model years from 2007 to 2016. Proper installation and break-in are essential; it is recommended to run the engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears to ensure the rings seat properly and maximize piston lifespan.
Features:
- Armor X coated pistons for enhanced durability and wear resistance.
- Designed specifically for Harley Davidson FXST models from 2007 to 2016.
- Made in the USA with high-quality materials for reliable performance.
- Includes all necessary components for a comprehensive upgrade.
Fitment:
Harley Davidson FLST 2007
Harley Davidson FLST 2008
Harley Davidson FLST 2009
Harley Davidson FLST 2010
Harley Davidson FLST 2011
Harley Davidson FLST 2012
Harley Davidson FLST 2013
Harley Davidson FLST 2014
Harley Davidson FLST 2015
Harley Davidson FLST 2016
Harley Davidson FLST 2017
Harley Davidson FLT 2007
Harley Davidson FLT 2008
Harley Davidson FLT 2009
Harley Davidson FLT 2010
Harley Davidson FLT 2011
Harley Davidson FLT 2012
Harley Davidson FLT 2013
Harley Davidson FLT 2014
Harley Davidson FLT 2015
Harley Davidson FLT 2016
Harley Davidson FXD 2007
Harley Davidson FXD 2008
Harley Davidson FXD 2009
Harley Davidson FXD 2010
Harley Davidson FXD 2011
Harley Davidson FXD 2012
Harley Davidson FXD 2013
Harley Davidson FXD 2014
Harley Davidson FXD 2015
Harley Davidson FXD 2016
Harley Davidson FXD 2017
Harley Davidson FXST 2007
Harley Davidson FXST 2008
Harley Davidson FXST 2009
Harley Davidson FXST 2010
Harley Davidson FXST 2011
Harley Davidson FXST 2012
Harley Davidson FXST 2013
Harley Davidson FXST 2014
Harley Davidson FXST 2015
Harley Davidson FXST 2016
Harley Davidson FXST 2017
