Brian Crower S/S Exhaust Valves 4G63 31.5mm (+1mm) - BC3105 gk drivetrain MINI John Cooper Works R56

MINI John Cooper Works R56 N14 Engine Only (2009 - 2011)

This kit is special order and will take 1-2 weeks for arrival once ordered

Anodized Polyester Powdercoat with Lexan Polycarbonate lens

acceleration and full speed

8 Grade Hexagonal Nyloc nuts

Brian Crower S/S Exhaust Valves 4G63 31.5mm (+1mm) - BC3105 gk drivetrain MINI John Cooper Works R56BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat resistant stainless steel material to insure reliability with high boost and or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air fuel flow in and out of the combustion chamber. Every valve is fully