Direct bolt-in replacement for the stock cam plates. OEM replacement reference 25355-06. Feuling''s OE+ plates are manufactured from 6061 aluminum providing increased rigidity and machined to high tolerance standards. For both stock chain and aftermarket gear drive for use with stock 07-17 style oil pumps; and Feuling oil pumps: 707380; 566076; 707384. Note: Gear drive cam systems require block off plates - see Feuling 566113. Feuling OE+ stock replacement billet cam plates are manufactured from 6061 aluminum providing increased rigidity and machined to Feuling''s high tolerance standards. The pressure relief valve and spring are pre-set; matched and seated by Feuling with a full pop off pressure of 50-60 psi. OE+ cam plates are a direct bolt in replacement and will accept the factory oil pump. As with all Feuling components; the competitively priced OE+ cam plates are designed and manufactured to the highest standard of quality with proven Feuling performance.• Tighter cam journal bore tolerance for improved cam fitment • Added Cam journal oil groove for cold start up protection and increased cam journal lubrication • Added oil pressure feed holes to front and back of cam journals to prevent excessive thrusting wear