GSC Power-Division Single Intake Valve Guide-Standard (gsc3068) _MM022HBMC/SBL Replace the four restrictive factory

Replace the four restrictive factory OEM catalytic converters with two ultra high-performance German HJS 200-cell sport cats for maximum performance and sound

Retains factory harmonic balancer

RIGIDs white housing options are perfect for use anywhere an alternative to black is desired

Always Evolving – Fuel Pressure Damper Option:

The diffuser's new designs fully tailored to the car's lines

GSC Power-Division Single Intake Valve Guide-Standard (gsc3068) _MM022HBMC/SBL Replace the four restrictive factoryGSC 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