Supertech Valve Springs Titanium Retainers Combo K20A K20A2 K20Z1 F20 (100 lb springs)
Acura RSX Type S K20A K20A2 / Honda S2000 F20
Supertech Valve Springs for B-series VTEC engine are made with premium Chrome Silicon Vanadium Steel allow for durability at high rpms.
Supertech Retainers are manufactured with high quality military certified Titanium allow, and CNC machined for a tight fit that will ensure a long duability.
Seat Pressure 100lbs @ 40.4mm