FEULING® OE+ stock replacement billet camplates are manufactured from 6061 aluminum, providing increased rigidity and machined to FEULING's high tolerance standardsPressure relief valve and spring are pre-set, matched and seated by FEULING® with a full pop-off pressure of 50-60 psiDesigned to use the factory tensioner system with the original '99-'06 Twin Cam® style camshaftsAdded cam journal oil groove for cold start up protection and increased cam journal lubricationOE+ camplates are a direct bolt-in replacement and will accept the factory oil pumpAdded oil pressure feed holes to front and back of camCamplate includes bearing retainer plate and hardwareMade in the USA