Valve sleeve NISSAN SR20 DE / DET 2.0 L DOHC / SX / NX SENTRA / G20 91-98 ST-GDE-NSR6-ET

Our valve guides are precision manufactured from high quality manganese bronze material. Supertech valve guides are designed to be used in conjunction with our low friction black nitrided material to provide the best solution in terms of both performance and durability. exhaust valve designed for use in high power engines that require a better heat transfer coefficient, we use a copper alloy conductor. Copper has about three times the heat transfer coefficient of manganese bronze. Whatever your needs, supertech has the right valve guide for your application. Fits: NISSAN SR20 DE / DET 2.0 L DOHC / SX / NX SENTRA / G20 91-98 The Supertech valve guides are designed to be used in conjunction with our valves with low-friction black nitrided material to provide the best solution in terms of both performance and durability. In the case of exhaust valves designed for use in high power valves that require a better heat transfer coefficient, we use a copper alloy conductor. Copper has about three times higher heat transfer coefficient than manganese brown.Whatever your needs, supertech has the right valve guide for your application.Fits: NISSAN SR20 DE / DET 2.0 L DOHC / SX / NX SENTRA / G20 91-98 valves (7mm to 6mm guide conversion - use valve seal VS-N6E)