Brodix 2061006: Race-Rite RR BB-O Series Cylinder Head 270cc Oval Intake Ports
Race-Rite RR BB-O Series Cylinder Heads
Race-Rite RR BB-O Series Cylinder Head 270cc Oval Intake Ports 110cc Combustion Chambers 2.250'' Intake / 1.880'' Exhaust Valves 1.550'' Dia. Springs - 150# Seat Pressure Steel Retainers Assembled, 1/pkg.