These fit all SR20 heads. Configuration refers to the stem diameter of the valve. All SR20DET heads use 7mm. If using an SR20DET head with aftermarket 6mm valves, select 7mm to 6mm Conversion. SR20DE and SR20VE (1N5) use 6mm. If using an SR20VE 8H6 head with OEM valves or aftermarket 5.5mm valves, select 5.5mm.
Sold as each.
Supertech Valve Guides are precision-machined from high quality Manganese Bronze material.
Supertech Valve Guides are designed to be used in combination with Supertech low friction black nitrided valves to provide the best solution for both performance and durability.