GSC Power-Division Intake or Exhaust Valve Guide Set of 16-Standard (gsc3077-8) 17125 It even comes pre-installed with

It even comes pre-installed with 3M automotive trim foam tape for a fast

So when it comes to keeping your engine oil temps down as you push your Vehicle / 73' Porsche 911 RSR-Style Bumper hard on the street or track

The OEM EJ header really hasn’t changed much in the past 20+ years and it shows

Shell design and hold performance considering safety

2003 Ford Explorer Sport (Phenolic Pistons)

GSC Power-Division Intake or Exhaust Valve Guide Set of 16-Standard (gsc3077-8) 17125 It even comes pre-installed withGSC 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