Brian Crower BC3030

- Brian Crower premium valves guides are made from manganese silicon aluminum bronze alloy and CNC machined to exacting tolerances - Brian Crower guides are resistant to Cracking and corrosion, while reducing friction and insures high lubrication even at elevated engine temperatures and RPM's - The perfect replacement to worn or damaged guides and 100% compatible with Brian Crower lineup of Stainless Steel valves