Engine refrigerator heat insulator spacer dash; Nissan Patrol Y61 TB48 Give your engine extra protection and more stable performance with the heat insulation spacer specially designed for the TB48 engine. The spacer acts as a thermal barrier between the engine head (head) and the intake manifold, reducing heat transfer to the air intake, helping to keep the intake air cooler, which is reflected in performance stability and engine response, especially in hot weather and harsh driving. Features: ✅ Reduces heat transfer from the head to the intake manifold. ✅ Helps lower intake air temperature. ✅ Maintains stable performance with prolonged use. ✅ Improves throttle response at high temperatures. ✅ Suitable for modified and stock engines. ✅ High-quality manufacturing and excellent resistance to heat and pressure. ✅ Direct installation without any modification. Suitable for: Nissan Patrol Y61 TB48 engine