Supertech Maganese Bronze 4G63 Valve Guides (DSM/Evo)
The Supertech precision-machined, high quality Maganese Bronze Valve Guides used in combination with their low friction nitrided valves provide the best solution for performance and durability for your 4G63 motor.
Sold Individually, as needed. Also sold in a full set of (8) intake or (8) exhaust valve guides.
