BC Brian Valve Stem Seals for 4G63 Evo/DSM (BC3977) Prothane 0" 205/45Z R17 84W SL

0" 205/45Z R17 84W SL 103850 6

• Dyno Proven gains of up to 18 hp and 14 lb-ft

All aFe POWER flat panel performance air filters are constructed with a full 360-degree polyurethane frame

• 80mm piping diameter

• Up to 64% Flow Increase

BC Brian Valve Stem Seals for 4G63 Evo/DSM (BC3977) Prothane 0" 205/45Z R17 84W SLThese Viton seals allow a carefully defined amount of engine oil from the cylinder head into the combustion chamberto lubricate the rotating valve stem in the valve guide. BC valve stem seals are produced from high performance materials for increased part life and lower wear. Vehicle Fitment: 1992 2006 Mitsubishi Evolution I IX (Evo 1 9) 1990 1999 Mitsubishi Eclipse GST GSX 1990 1998 Eagle Talon TSi 1990 1994 Plymouth Laser RS 1991 1992 Mitsubishi