GSC 4B11 Evo X Exhaust Valve Guides with Stopper (3013) Select:Standard Single Guide (GSC3013-01) It seems that others have

It seems that others have done this to hit a lower price point at the cost of performance

R: 20mm Front Spring Rate (N/mm): 100 Rear Spring Rate (N/mm): 55-70 (Prog

• 6AN Adapter Fittings

D-Mat has exceptional acoustic absorption

• Must be using a 1G cam angle sensor

GSC 4B11 Evo X Exhaust Valve Guides with Stopper (3013) Select:Standard Single Guide (GSC3013-01) It seems that others haveThe GSC Power Division exhaust valve guides with stopper 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. *New photos are coming soon, the stopper guide is not pictured. 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