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Supertech manganese bronze valve guides for GM Ecotec engines, supplied as a set of 8. These intake and exhaust guides accept 6mm stems and have a 10.04mm outer diameter; installation requires the related VS-T6SM component. They serve as direct replacement guides to restore correct valve movement and clearance during head service on compatible Ecotec engines.
Supertech GM Ecotec Manganese Bronze In/Ex Valve Guide 6mm Stem OD 10.04mm (Req VS-T6SM) - Set of 8
