{"product_id":"keith-black-kb292-030-1000cc-piston-set-030-oversize","title":"Keith Black KB292.030 1000cc Piston Set .030 Oversize","description":"Keith Black dome piston set is .030 oversize with a 8.2 compression ratio for 1972-1985 XL 1000cc models.\n\u003cp\u003eThe Keith Black KB292.030 1000cc Piston Set .030 Oversize features a hypereutectic alloy cast in a permanent steel mold. This construction supports a lightweight piston design intended to help produce more power, use less fuel, and provide long-lasting performance. The set is designed for a 3.188-inch bore and has a 9:1 compression ratio.\u003c\/p\u003e\u003cp\u003eThe alloy’s low heat transfer helps keep the skirts cooler, minimizing piston expansion. Combined with high compression ring placement, this design is intended to support power and economy. High ring placement also helps reduce detonation and increase top-ring temperature.\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 Keith Black KB292.030 piston set fits 1972–1981 Harley-Davidson XL applications as specified by the supplier. This product is supplied as a set. Installation instructions are referenced by the supplier at: http:\/\/www.vtwinmfg.com\/Instructions\/MS\/KB%20Inst.%20Guide%20XL%20Dome%20Pistons%20and%20Fitment.pdf\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Keith Black\u003c\/li\u003e\n\u003cli\u003ePart Number: KB292.030\u003c\/li\u003e\n\u003cli\u003eProduct Type: 1000cc piston set\u003c\/li\u003e\n\u003cli\u003eOversize: .030 oversize\u003c\/li\u003e\n\u003cli\u003eBore: Designed for a 3.188-inch bore\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 9:1\u003c\/li\u003e\n\u003cli\u003eMaterial: Hypereutectic alloy\u003c\/li\u003e\n\u003cli\u003eConstruction: Cast in a permanent steel mold\u003c\/li\u003e\n\u003cli\u003eDesign: Low heat transfer alloy with high compression ring placement\u003c\/li\u003e\n\u003cli\u003eFitment: 1972–1981 Harley-Davidson XL applications\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: Set\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson XL  1972\u003cbr\u003e\nHarley Davidson XL  1973\u003cbr\u003e\nHarley Davidson XL  1974\u003cbr\u003e\nHarley Davidson XL  1975\u003cbr\u003e\nHarley Davidson XL  1976\u003cbr\u003e\nHarley Davidson XL  1977\u003cbr\u003e\nHarley Davidson XL  1978\u003cbr\u003e\nHarley Davidson XL  1979\u003cbr\u003e\nHarley Davidson XL  1980\u003cbr\u003e\nHarley Davidson XL  1981\u003cbr\u003e\nHarley Davidson XL  1982\u003cbr\u003e\nHarley Davidson XL  1983\u003cbr\u003e\nHarley Davidson XL  1984\u003cbr\u003e\nHarley Davidson XL  1985","brand":"Keith Black","offers":[{"title":"Default Title","offer_id":44583402733655,"sku":"11-2243","price":440.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/2276\/2583\/files\/11-2243.jpg?v=1793267957","url":"https:\/\/valleyspeed.net\/en-gb\/products\/keith-black-kb292-030-1000cc-piston-set-030-oversize","provider":"The Speed Shop Canada","version":"1.0","type":"link"}