The following rules have been updated for the IAME Bambino engine package.
Only NGK – BR9EG or BR10EG can be used with the OEM washer is place. If a cylinder head temperature sensor is utilized, the OEM washer may be removed. Commonly used, stock, cylinder head temperature sensors may be used for comparison.
Must use OEM muffler. Excessive leakage in any part of the exhaust system is illegal and competitor could be disqualified. Exhaust Gas Temperature sensors are illegal.