The Supertech manganese bronze intake valve guide set for Toyota FRS / Subaru BRZ FA20D applications is offered as a set of eight with a 5.5mm stem. These intake-side guides replace worn guides to preserve valve stem alignment and clearance in FA20D heads. The listing specifies manganese bronze construction and the FA20D fitment to confirm correct selection.
Supertech Toyota FRS / Subaru BRZ FA20D Manganese Bronze Intake Valve Guide 5.5mm Stem - Set of 8