Package includes 2PCS tank air cooler.Compatible with HPI HSP Redcat Traxxas Axial Himoto 1/8 1/10 nitro engine rc car truck
Made of aluminum alloy material,has good heat dissipation performance.
How it works:When the exhaust gas passes through the back pressure cooling pipe, it can cool the gas filled into the fuel tank. Then the temperature of the fuel is naturally not so high. On the one hand, it can slightly increase the life of the engine, on the other hand, it can lower the working temperature of the engine