{"product_id":"motorshop-83-inch-evolution-big-bore-cylinder-kit-for-harley-davidson-fxst-1985-1994","title":"Motorshop 83Inch Evolution Big Bore Cylinder Kit FXST","description":"\u003cdiv\u003e\n\u003ch1\u003eMotorshop 83Inch Evolution Big Bore Cylinder Kit FXST\u003c\/h1\u003e\n\u003cp\u003eAdd 83 cubic inches of displacement to your Harley FXST with Motorshop’s Evolution Big Bore Cylinder Kit. This bolt-on package replaces the stock cylinders with two bored and honed units, each fitted with domed Wiseco forged pistons and a 10:1 compression ratio for enhanced power and efficiency.\u003c\/p\u003e\n\u003cp\u003eKey specifications and fitment:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eTwo bored and honed cylinders with domed pistons\u003c\/li\u003e \u003cli\u003e3.5430-inch bore designed to match the pistons\u003c\/li\u003e \u003cli\u003eNo case boring required\u003c\/li\u003e \u003cli\u003eMade in the USA with high-quality materials\u003c\/li\u003e \u003cli\u003eDesigned for Harley Davidson FXST models from 1985 to 1994\u003c\/li\u003e \u003cli\u003eTop end gasket must be purchased separately; recommended #15-0414 Head Base Gasket Kit\u003c\/li\u003e \u003cli\u003eRecommended piston kit: SKU 11-0156 (Piston Kit.045 Oversize); Piston ring set: SKU 11-0157 (83 inch Evolution Piston Ring Set.045 Oversize)\u003c\/li\u003e \u003cli\u003eAccessory tools available for installation: cylinder hold-down nuts tool SKU 16-0446; cylinder oil tube drain kit SKU 16-0911\u003c\/li\u003e \u003cli\u003eIncludes installation-friendly guidance with online instructions for proper fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis kit is ideal for riders rebuilding or upgrading to increase engine displacement and power while maintaining reliable performance. It’s a precise, purpose-built upgrade from Motorshop designed to meet the demands of serious motorcycle enthusiasts and professional mechanics alike.\u003c\/p\u003eEvolution 83 inch Big Bore bolt on silver cylinder kit includes 10:1 compression Wiseco forged dome piston kit which have been honed for final fitment. No case boring required.\n\u003cp\u003eUpgrade your Harley Davidson FXST with the Motorshop 83 inch Evolution Big Bore Cylinder Kit, designed for models from 1985 to 1994. This comprehensive kit includes two bored and honed cylinders, each fitted with domed pistons, providing a significant increase in engine displacement and performance. The cylinders are precision-machined to fit pistons with a bore size of 3.5430 inches, ensuring optimal fit and function. For sealing, the top end gasket must be purchased separately, and it is recommended to use this kit with the #15-0414 Head Base Gasket Kit for best results. This setup is ideal for motorcycle enthusiasts seeking to enhance power output and engine efficiency while maintaining reliable performance.\u003c\/p\u003e\n\u003cp\u003eThe kit features high-quality components crafted in the USA, ensuring durability and precision. The included pistons are compatible with the suggested oversize piston kit (SKU 11-0156), and the piston ring set (SKU 11-0157) is recommended for optimal sealing and longevity. Accessory tools such as the cylinder hold-down nuts tool (SKU 16-0446) and the cylinder oil tube drain kit (SKU 16-0911) are also available to facilitate installation and maintenance. The entire set is designed for straightforward installation, with detailed instructions available online to ensure proper fitment and assembly. Whether rebuilding or upgrading your engine, this kit offers a reliable solution to increase your Harley Davidson's performance.\u003c\/p\u003e\n\u003cp\u003eThis product is an essential upgrade for Harley Davidson FXST owners looking to improve engine displacement and power. It fits multiple model years, making it a versatile choice for enthusiasts and professional mechanics alike. Proper installation and compatible gaskets are crucial for achieving the best results and engine longevity. Trust in Motorshop’s quality manufacturing and precise engineering to deliver a high-performance upgrade that meets the demands of the most passionate motorcycle riders.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eIncludes two bored and honed cylinders with domed pistons for increased engine displacement\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003ePrecision-machined to fit pistons with a 3.5430-inch bore for optimal performance\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eMade in the USA with high-quality materials ensuring durability and reliability\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eSuggested to be used with the #15-0414 Head Base Gasket Kit for proper sealing\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eCompatible with Harley Davidson FXST models from 1985 to 1994\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eAccessory Items include cylinder hold-down nuts tool and cylinder oil tube drain kit for ease of installation\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eRecommended piston kit: SKU 11-0156 - Piston Kit.045 Oversize\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eRecommended piston ring set: SKU 11-0157 - 83 inch Evolution Piston Ring Set.045 Oversize\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson FLST 1986\u003cbr\u003e\nHarley Davidson FLST 1987\u003cbr\u003e\nHarley Davidson FLST 1988\u003cbr\u003e\nHarley Davidson FLST 1989\u003cbr\u003e\nHarley Davidson FLST 1990\u003cbr\u003e\nHarley Davidson FLST 1991\u003cbr\u003e\nHarley Davidson FLST 1992\u003cbr\u003e\nHarley Davidson FLST 1993\u003cbr\u003e\nHarley Davidson FLST 1994\u003cbr\u003e\nHarley Davidson FLST 1995\u003cbr\u003e\nHarley Davidson FLST 1996\u003cbr\u003e\nHarley Davidson FLST 1997\u003cbr\u003e\nHarley Davidson FLST 1998\u003cbr\u003e\nHarley Davidson FLT 1984\u003cbr\u003e\nHarley Davidson FLT 1985\u003cbr\u003e\nHarley Davidson FLT 1986\u003cbr\u003e\nHarley Davidson FLT 1987\u003cbr\u003e\nHarley Davidson FLT 1988\u003cbr\u003e\nHarley Davidson FLT 1989\u003cbr\u003e\nHarley Davidson FLT 1990\u003cbr\u003e\nHarley Davidson FLT 1991\u003cbr\u003e\nHarley Davidson FLT 1992\u003cbr\u003e\nHarley Davidson FLT 1993\u003cbr\u003e\nHarley Davidson FLT 1994\u003cbr\u003e\nHarley Davidson FLT 1995\u003cbr\u003e\nHarley Davidson FLT 1996\u003cbr\u003e\nHarley Davidson FLT 1997\u003cbr\u003e\nHarley Davidson FLT 1998\u003cbr\u003e\nHarley Davidson FXD 1991\u003cbr\u003e\nHarley Davidson FXD 1992\u003cbr\u003e\nHarley Davidson FXD 1993\u003cbr\u003e\nHarley Davidson FXD 1994\u003cbr\u003e\nHarley Davidson FXD 1995\u003cbr\u003e\nHarley Davidson FXD 1996\u003cbr\u003e\nHarley Davidson FXD 1997\u003cbr\u003e\nHarley Davidson FXD 1998\u003cbr\u003e\nHarley Davidson FXR 1984\u003cbr\u003e\nHarley Davidson FXR 1985\u003cbr\u003e\nHarley Davidson FXR 1986\u003cbr\u003e\nHarley Davidson FXR 1987\u003cbr\u003e\nHarley Davidson FXR 1988\u003cbr\u003e\nHarley Davidson FXR 1989\u003cbr\u003e\nHarley Davidson FXR 1990\u003cbr\u003e\nHarley Davidson FXR 1991\u003cbr\u003e\nHarley Davidson FXR 1992\u003cbr\u003e\nHarley Davidson FXR 1993\u003cbr\u003e\nHarley Davidson FXR 1994\u003cbr\u003e\nHarley Davidson FXST 1985\u003cbr\u003e\nHarley Davidson FXST 1986\u003cbr\u003e\nHarley Davidson FXST 1987\u003cbr\u003e\nHarley Davidson FXST 1988\u003cbr\u003e\nHarley Davidson FXST 1989\u003cbr\u003e\nHarley Davidson FXST 1990\u003cbr\u003e\nHarley Davidson FXST 1991\u003cbr\u003e\nHarley Davidson FXST 1992\u003cbr\u003e\nHarley Davidson FXST 1993\u003cbr\u003e\nHarley Davidson FXST 1994\u003cbr\u003e\nHarley Davidson FXST 1995\u003cbr\u003e\nHarley Davidson FXST 1996\u003cbr\u003e\nHarley Davidson FXST 1997\u003cbr\u003e\nHarley Davidson FXST 1998\u003c\/div\u003e","brand":"Motorshop","offers":[{"title":"Default Title","offer_id":44653854523434,"sku":"11-1258","price":607.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-1258a.jpg?v=1785911048","url":"https:\/\/atticusgoods.com\/products\/motorshop-83-inch-evolution-big-bore-cylinder-kit-for-harley-davidson-fxst-1985-1994","provider":"Atticus Goods","version":"1.0","type":"link"}