{"product_id":"valvespringkit-0-550lift-panhead-shovelheadengines48-84-ds199729","title":"Valve Spring Kit - 0.550\" Lift - Panhead | Shovelhead Engines '48-'84","description":"Valve Spring Kit - 0.550\" Lift - Panhead | Shovelhead Engines '48-'84\u003cul\u003e\n\u003cli\u003eMust allow additional rocker clearance for 48-65 Panheads\u003c\/li\u003e\n\u003cli\u003eUse with stock-style bottom collar valve guides valve with stock 38 stem and stock keepers\u003c\/li\u003e\n\u003cli\u003eCompatible with thin-stem valves if thicker keepers that maintain correct valve stem-top collar engagement are used\u003c\/li\u003e\n\u003cli\u003eLate single bottom collars are included for use in SS cylinder heads for shovels and stock late 81-85 heads\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026S CYCLE","offers":[{"title":"Default Title","offer_id":47067222900923,"sku":"DS199729","price":249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/2746\/2587\/files\/75943E49-C9BA-4281-9C82-7C07CA467EA6.png?v=1759452141","url":"https:\/\/shop.bigdogpowersports.com\/products\/valvespringkit-0-550lift-panhead-shovelheadengines48-84-ds199729","provider":"BigDog Powersports","version":"1.0","type":"link"}