GSC Power-Division Exhaust Valve Guide Standard Set with 6mm Stopper (gsc3021-8) StillenShipping_100 Stamped aFe POWER Logo

Stamped aFe POWER Logo

Zinc plated for absolutely zero-slip

They match the overall shape and theme of the factory cover

With a larger 2-row 42mm core

Designed to fit aFe or factory radiators on the 2007-11 Jeep Wrangler JK with the 3

GSC Power-Division Exhaust Valve Guide Standard Set with 6mm Stopper (gsc3021-8) StillenShipping_100 Stamped aFe POWER LogoGSC 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