luke187 Member 297 Member For: 11y 5m 28d Posted 30/06/16 08:29 AM Share Posted 30/06/16 08:29 AM (edited) Performance springs do an nitrated ovate wire beehive spring which has as high advertised seat pressure as any other spring ive seen around. Spent a bit of time with the guy at his shop and said it was slightly higher than the typical double valve spring pressure but using stock retainers and seals. Also does Ti retainers & locks too. If not them id go for PAC Edited 30/06/16 08:31 AM by luke187 Link to comment https://www.fordxr6turbo.com/forum/topic/92021-xr6t-valve-springs-best-brand/page/3/#findComment-1598367 Share on other sites More sharing options...
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