Bestdotek BAJA EXHAUST SPACER / HEATSINK PLUS 2 GASKETS AND BOLTS for HPI Racing KM ROVAN BAJA 5b 5t EXHAUST SPACER/HEATSINK PLUS 2 EXHAUST GASKETS AND SECURING BOLTS AND WASHERS SUITABLE FOR 1/5TH SCALE PETROL 2 STROKE ENGINES