Supertech Black Nitrided Exhaust Valves K20/K24 series Honda Civic 11th Gen (2022+) heat-treated prior to thread rolling

heat-treated prior to thread rolling and machining

in order to produce the suitable ride for the street or track

000 psi tensile strength

The MonoSS offers 16 level of damper adjustability which can be set to your preference

Supertech Black Nitrided Exhaust Valves K20/K24 series Honda Civic 11th Gen (2022+) heat-treated prior to thread rollingFITS: 8th Gen Honda Civic 8th Gen Honda Civic Si 9th Gen Honda Civic 9th Gen Honda Civic Si Acura RSX 1st Gen Acura TSX 2nd Gen Acura TSX Supertech valves come in either a dished or flat bottom. The valves are black nitride treated coated, which reduce friction at high rpms. Specs: Head Diam: 31. 00mm (Std) Stem Diam: 5. 48mm Length: 108. 65mm Material: Black Nitrided Valve Type: Exhaust Includes all 8 exhaust valves