Supertech Bronze Valve Guides D Series (D16Z6, D16Y8, D16A6)
If you have a performance motor, turbo or nitrous the heat destroys the OEM valve guides. These manganese bronze guides are just what you need at a price that's unbeatable for the quality. Why settle for OEM when you can have Supertech? Your motor deserves the best!
This is a set of 16 pcs 8 x Intake and 8 x Exhaust