{"product_id":"61158-black-diamond-valves-for-big-twin-sportster","title":"Valve Exhaust Os Black Diamond Big Twin Evo 1984 \/ L 1.63\" Head Diameter .3096\"Stem 44 Degree Profile","description":"\u003ch1\u003eBLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN \u0026amp; SPORTSTER\u003c\/h1\u003eWEIGHT: 0.22\u003cbr\u003eALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IMPREGNATED BY A SPECIAL GERMAN PROCESS (NITRONEG) .002\" DEEP \u0026amp; .0002\" SURFACE BUILD UP TO IMPROVE WEAR PROPERTIES AND REDUCE FRICTION. THIS PROCESS PROVIDES RESISTANCE TO CORROSION AND WEAR SUPERIOR TO THAT DEVELOPED BY HARD CHROMIUM AND ELECTROLESS NICKEL PLATING. THESE VALVES ARE LIGHT , AND THE PROFILES PROVIDE EXCELLENT FLOW CHARACTERISTICS AND ARE STELLITE TIPPED. SOLD EACH.\u003cbr\u003e\u003cb\u003eKIBBLEWHITE\u003c\/b\u003e\u003cbr\u003eEXHAUST TYPE VALVE\u003cbr\u003eTULIP PROFILE: 44°\u003cbr\u003eHEAD DIAMETER: O.S. 1.630\"\u003cbr\u003eSTEM DIAMETER: .3096\"\u003cbr\u003eOVERALL LENGTH: STD 4.520\" \u003cbr\u003eFITS BIG TWIN EVOLUTION 1984\/LATER \u003cbr\u003eBY: KIBBLEWHITE PRECISION MACHINE","brand":"MID-USA","offers":[{"title":"Default Title","offer_id":20200017133679,"sku":"61158","price":34.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0081\/7401\/0479\/products\/0074439_0.jpg?v=1575362109","url":"https:\/\/www.widowmakersboneyard.com\/products\/61158-black-diamond-valves-for-big-twin-sportster","provider":"Widowmaker's Boneyard","version":"1.0","type":"link"}