{"product_id":"bk-1-groove-ab-sheave","title":"BK 1-Groove A\/B Sheave","description":"\u003cp\u003eThe BK sheave is the single-groove pulley used on belt drive pressure washers running one V-belt. It is the standard choice on smaller belt drive setups and on the engine side of plenty of mid-size rigs. Cast iron, machined for a standard bushing bore, and cut to take either an A or B section belt.\u003c\/p\u003e\n\u003ch3\u003ePicking Your Size\u003c\/h3\u003e\n\u003cp\u003eOutside diameter controls pump speed. Smaller sheave on the pump, faster pump. Larger sheave, slower pump. Replacing a worn one? Measure the old sheave across the outside edge and match it. Building a rig? Set the ratio from your engine RPM and the pump's rated RPM first, or call and we will work it out with you.\u003c\/p\u003e\n\u003cp\u003eAvailable 3.55 inch through 6.75 inch.\u003c\/p\u003e\n\u003ch3\u003eSingle Groove or Double\u003c\/h3\u003e\n\u003cp\u003eOne belt carries less power than two. If you are running a bigger engine or a high flow pump and you keep throwing or glazing belts, you have outgrown a single groove and should move to a \u003ca href=\"\/products\/2bk-2-groove-ab-sheave\"\u003e2BK two-groove sheave\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eBushings and belts sold separately. Call \u003ca href=\"tel:+13015199274\"\u003e(301) 519-9274\u003c\/a\u003e for help matching a bushing to your shaft.\u003c\/p\u003e","brand":"Sun Brite Supply","offers":[{"title":"3.55\"","offer_id":45045190394056,"sku":"3948","price":43.87,"currency_code":"USD","in_stock":true},{"title":"3.95\"","offer_id":45045190426824,"sku":"3949","price":41.95,"currency_code":"USD","in_stock":true},{"title":"4.25\"","offer_id":45045190459592,"sku":"3950","price":42.95,"currency_code":"USD","in_stock":true},{"title":"4.45\"","offer_id":45045190492360,"sku":"3951","price":48.13,"currency_code":"USD","in_stock":true},{"title":"4.95\"","offer_id":45045190525128,"sku":"3952","price":50.33,"currency_code":"USD","in_stock":true},{"title":"5.25\"","offer_id":45045190557896,"sku":"3953","price":49.95,"currency_code":"USD","in_stock":true},{"title":"6.75\"","offer_id":45045190590664,"sku":"3956","price":51.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0517\/4827\/4376\/files\/3950_01_web_6228bbdb-8877-4566-a0cc-964e373f5e3f.png?v=1775273557","url":"https:\/\/sunbritesupplymd.com\/products\/bk-1-groove-ab-sheave","provider":"Sun Brite Supply","version":"1.0","type":"link"}