Ferrea Acura K20 31mm 5.45mm 109.15mm 22 Deg Flo +1mm Flat Head 5000 Series Exhaust Valve - Set of 8

Ferrea Acura K20 31mm 5.45mm 109.15mm 22 Deg Flo Radius Grv +1mm 6000 Series Exhaust Valve - Single

Ferrea Acura K20 30mm 5.45mm 109.15mm 22 Deg Flo Stock Flat Head 5000 Series Exhaust Valve - Single

Ferrea Acura K20 31mm 5.45mm 109.15mm 30 Deg Flo Dish Head +1mm Comp Plus Exhaust Valve - Single