Supertech valve guides are precision-machined from high-quality manganese bronze for performance and durability. They are designed to pair with Supertech low-friction Black Nitride valves and provide consistent stem clearance in performance cylinder-head builds.
Side: Intake
Quantity: Set of 8
Outer diameter: 10.05 mm
Length: 37 mm
Engine: Subaru FA20
SKU: GDE-TFRS55-I-8
Guide installation and final honing should be performed by a qualified machine shop.