BC Brian Crower Valve Guides for 4G63 Evo/DSM (BC3910/BC3911) Select::Set of 8 Intake Valve Guides • 5 Inch Aluminum Pipe

• 5 Inch Aluminum Pipe

these rods maintain bore integrity at high RPM

They were able to get weight savings of 1

Genuine OEM Bentley engine oil filter and oring seal for the 12 cylinder Bentley Continental

making it 51 pounds lighter than stock

BC Brian Crower Valve Guides for 4G63 Evo/DSM (BC3910/BC3911) Select::Set of 8 Intake Valve Guides • 5 Inch Aluminum PipeValve guides are crucial components that wear over time, especially with high revving 4G63 engines. To maintain proper tolerances and ensure optimal performance, it's recommended to replace worn guides with new aftermarket ones. BC premium valves guides are made from Manganese Silicon Aluminum Bronze alloy and CNC machined to exacting tolerances. BC guides are resistant to cracking and corrosion, while reducing friction and insures high lubrication