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.
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.
Shorter for high-lift and high-flow applications. Manganese bronze only. Use with 0.530" valve seals.
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