Description
BMW M52TU M54 Valves by SuperTech Options:Single Groove 33mm Intake 30.5mm Exhaust Inconel 11 33 7 831 695 Strength for Performance Driving S85 V10 CP FPS B58 82.5 9 Bore Options:93 mm 11 33 7 831 695 The included Calico coated rod bearings feature an advanced anti friction coating