GSC Power-Division Intake or Exhaust Valve Guide Set of 16-Standard (gsc3074-8) 18355 The tip features an aFe

The tip features an aFe POWER logo plate riveted on for a unique style

Includes a pair of 100-cell high flow metallic catalysts

Weighing in at 30% less than the factory system

and installs without cutting

Valve Stem Seals by GSC Power-Division

GSC Power-Division Intake or Exhaust Valve Guide Set of 16-Standard (gsc3074-8) 18355 The tip features an aFeGSC 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