GSC 4B11 Evo X Intake Valve Guides (3012) Whiteline 81 21304210229 S Cover Ported

81 21304210229 S Cover Ported T4 Inlet V-Band Outlet

This was recently updated with the new Tomei logo in July 2020

• Direct Replacement Upgrade

Its slim depth (less than one inch overall) and ultra slim cup depth of

5" mandrel-bent aluminum piping and four-layer 100% silicone couplers with heat-resistant embedded fibers

GSC 4B11 Evo X Intake Valve Guides (3012) Whiteline 81 21304210229 S Cover PortedThe GSC Power Division traditional smooth style intake valve guides for the Evo X. Standard sized guides are sold as set of 8 or individually. Oversized +0. 001" and +0. 003" options are sold individually. Please double check your purchase and quantities. Vehicle Fitment: 2008 2015 Evolution X Specs: Total Length: 1. 735" 44. 07mm Outer Diameter: 0. 4351" 11. 05mm Valve Stem Diameter: 5. 5mm More Info: GSC Power Division valve guides are made from a