{"product_id":"keith-black-kb266-030-80-inch-evolution-domed-piston-kit-030","title":"Keith Black KB266.030 80-Inch Evolution Domed Piston Kit .030","description":"Keith Black dome piston set is .030 oversize with a 10.5:1 compression ratio for 1984-up Big Twin Evolution models.\n\u003cp\u003eThe Keith Black KB266.030 80-inch Evolution Domed Piston Kit is made from a hypereutectic alloy cast in a permanent steel mold. This construction supports a lightweight piston design intended to deliver increased power, improved fuel economy, and extended service life. The piston is .030 oversized for a 3.498-inch bore and provides a 10.5:1 compression ratio.\u003c\/p\u003e\u003cp\u003eThe alloy’s low heat transfer helps keep the skirts cooler and minimizes piston expansion. High compression ring placement contributes to increased power and economy while helping reduce detonation and raise top ring temperature. This kit is listed for 1984–1993 Harley-Davidson FXR models.\u003c\/p\u003e\u003cp\u003eFor proper break-in, run the engine at moderate speeds for at least 500 miles and avoid excessive operation in lower gears. The product data identifies this item as a set and lists Mexico as its country of origin. The Keith Black part number for this piston kit is KB266.030.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstruction: Hypereutectic alloy piston cast in a permanent steel mold\u003c\/li\u003e\n\u003cli\u003eBore Size: .030 oversized for a 3.498-inch bore\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 10.5:1\u003c\/li\u003e\n\u003cli\u003ePiston Design: Domed piston for 80-inch Evolution applications\u003c\/li\u003e\n\u003cli\u003eHeat Management: Low heat transfer alloy helps keep the skirts cool and minimize expansion\u003c\/li\u003e\n\u003cli\u003eRing Placement: High compression ring placement helps reduce detonation and increase top ring temperature\u003c\/li\u003e\n\u003cli\u003eBreak-In Requirement: Run at moderate speeds for at least 500 miles while avoiding excessive running in lower gears\u003c\/li\u003e\n\u003cli\u003eFitment: Listed for 1984–1993 Harley-Davidson FXR models\u003c\/li\u003e\n\u003c\/ul\u003e\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  1984\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","brand":"Keith Black","offers":[{"title":"Default Title","offer_id":44583431471191,"sku":"11-2226","price":779.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/2276\/2583\/files\/11-2226.jpg?v=1793268458","url":"https:\/\/valleyspeed.net\/en-au\/products\/keith-black-kb266-030-80-inch-evolution-domed-piston-kit-030","provider":"The Speed Shop Canada","version":"1.0","type":"link"}