Skunk2 Titanium Retainers for Honda S2000 F-series 2.0L/2.2L   E-mail this product to a friend Currently, we are offering free ground shipping on all Skunk2 products!   Skunk2 Pro-series titanium retainers are CNC-machined in house from certified medical grade titanium that is milled in the USA. Skunk2 retainers are designed to significantly reduce overall valvetrain mass and are machined to extremely close tolerances in order to ensure properly installed spring heights and pressures. Skunk2 has been supplying titanium retainers to professional race cars and street cars for nearly a decade, and are used on all Skunk2 race and project cars. Skunk2 Part # -- 308-05-0420 Regular Price: $226.80  On Sale For: $189.99  Quantity: