Vehicle Fitment Information
CNC-machined valve guides featuring special hi-temp Viton O-rings to prevent oil infiltration. Manganese bronze construction for better heat dissipation.
Search by year, make, or model to see which options fit your ride:
Manganese bronze only. Fits both intake and exhaust for 99-04 OEM heads.
Manganese bronze. Tapered and radiused nose for easier installation and better airflow. Unfinished ID.
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