{"product_id":"wiseco-103-inch-twin-cam-flat-top-piston-kit-for-harley-davidson-fxst-part-vt2790","title":"Wiseco 103 Inch Twin Cam Flat Top Piston Kit VT2790 for Harley FXST","description":"\u003cdiv\u003e\n\u003ch1\u003eWiseco 103 Inch Twin Cam Flat Top Piston Kit VT2790 for Harley FXST\u003c\/h1\u003e\n\u003cp\u003e103 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.\u003c\/p\u003e\n\u003cp\u003eMade 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.\u003c\/p\u003e\n\u003cp\u003eBreak-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.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDisplacement: 103 cu in\u003c\/li\u003e \u003cli\u003eCompression: 9.6:1\u003c\/li\u003e \u003cli\u003eBore: 3-7\/8 in\u003c\/li\u003e \u003cli\u003ePiston coating: Armor X\u003c\/li\u003e \u003cli\u003eIncludes: top-end gasket set\u003c\/li\u003e \u003cli\u003eMade in the USA\u003c\/li\u003e \u003cli\u003eFits: Harley-Davidson FXST 2007–2017 (and listed for FLST, FLT, FXD in the same years)\u003c\/li\u003e\n\u003c\/ul\u003e103 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.\n\u003cp\u003eUpgrade 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.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eArmor X coated pistons for enhanced durability and wear resistance.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDesigned specifically for Harley Davidson FXST models from 2007 to 2016.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eMade in the USA with high-quality materials for reliable performance.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIncludes all necessary components for a comprehensive upgrade.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson FLST 2007\u003cbr\u003e\nHarley Davidson FLST 2008\u003cbr\u003e\nHarley Davidson FLST 2009\u003cbr\u003e\nHarley Davidson FLST 2010\u003cbr\u003e\nHarley Davidson FLST 2011\u003cbr\u003e\nHarley Davidson FLST 2012\u003cbr\u003e\nHarley Davidson FLST 2013\u003cbr\u003e\nHarley Davidson FLST 2014\u003cbr\u003e\nHarley Davidson FLST 2015\u003cbr\u003e\nHarley Davidson FLST 2016\u003cbr\u003e\nHarley Davidson FLST 2017\u003cbr\u003e\nHarley Davidson FLT 2007\u003cbr\u003e\nHarley Davidson FLT 2008\u003cbr\u003e\nHarley Davidson FLT 2009\u003cbr\u003e\nHarley Davidson FLT 2010\u003cbr\u003e\nHarley Davidson FLT 2011\u003cbr\u003e\nHarley Davidson FLT 2012\u003cbr\u003e\nHarley Davidson FLT 2013\u003cbr\u003e\nHarley Davidson FLT 2014\u003cbr\u003e\nHarley Davidson FLT 2015\u003cbr\u003e\nHarley Davidson FLT 2016\u003cbr\u003e\nHarley Davidson FXD 2007\u003cbr\u003e\nHarley Davidson FXD 2008\u003cbr\u003e\nHarley Davidson FXD 2009\u003cbr\u003e\nHarley Davidson FXD 2010\u003cbr\u003e\nHarley Davidson FXD 2011\u003cbr\u003e\nHarley Davidson FXD 2012\u003cbr\u003e\nHarley Davidson FXD 2013\u003cbr\u003e\nHarley Davidson FXD 2014\u003cbr\u003e\nHarley Davidson FXD 2015\u003cbr\u003e\nHarley Davidson FXD 2016\u003cbr\u003e\nHarley Davidson FXD 2017\u003cbr\u003e\nHarley Davidson FXST 2007\u003cbr\u003e\nHarley Davidson FXST 2008\u003cbr\u003e\nHarley Davidson FXST 2009\u003cbr\u003e\nHarley Davidson FXST 2010\u003cbr\u003e\nHarley Davidson FXST 2011\u003cbr\u003e\nHarley Davidson FXST 2012\u003cbr\u003e\nHarley Davidson FXST 2013\u003cbr\u003e\nHarley Davidson FXST 2014\u003cbr\u003e\nHarley Davidson FXST 2015\u003cbr\u003e\nHarley Davidson FXST 2016\u003cbr\u003e\nHarley Davidson FXST 2017\u003c\/div\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":44651020648490,"sku":"11-9973","price":671.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-9973a.jpg?v=1785831594","url":"https:\/\/atticusgoods.com\/products\/wiseco-103-inch-twin-cam-flat-top-piston-kit-for-harley-davidson-fxst-part-vt2790","provider":"Atticus Goods","version":"1.0","type":"link"}