GSC Power-Division Single Exhaust Valve Guide-Oversize + .003" OD (gsc3069.003-1) 2562 Made from chrome silicon steel

Made from chrome silicon steel in a cold winding process

maybe there's still too much visible space between the tire and fender openings for your liking

Dual Wall Angled

Year Make Model Submodel Notes 1999 Ford Mustang Base Exc Cobra 86mm Mass Air Meter 24Lb CAC

avoid reinstalling stock springs or dampers

GSC Power-Division Single Exhaust Valve Guide-Oversize + .003" OD (gsc3069.003-1) 2562 Made from chrome silicon steelGSC has quite simply made a series of valve guides that fit properly, are easier to install, and shaped to help air flow instead of just copying the OEM design. The GSC Power Division valve guides are made from true C67410 Manganese Bronze and turned on a dedicated precision CNC turning center. What this means for you and your installer is less time fitting guides to the head due to holding the tightest tolerances in the industry with the best quality