This is for a set of dual valve springs (a total of 4 separate springs). Approximately 50lbs at .880" and 55lbs at .850" installed height. Used on extremely modified high HP high revving 196cc-225cc small block honda clone engines such as the Tillotson 225. Stainless steel valves and billet or titanium retainers are required. Valve spring pockets may need to be modified.
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Put them in this weekend..