Thermo-Tec Turbo Cover for T3,T4,T5 200400104 All QA1'springs come with a

All QA1'springs come with a lifetime guarantee to remain within 2% of their original free height and rate

saving you money and expanding the versatility of your existing aviation headset

092" fillet radius for improved strength and rigidity

Makes Adjusting coil-overs easy & hassle free

Thermo-Tec Turbo Cover for T3,T4,T5 200400104 All QA1'springs come with aThe new, easy fit design can fit a T3, T4 or T5 turbine. The turbo cover keeps the turbine spooled up, reducing turbo lag. The dual layer construction increases performance and durability, reduces under hood temperatures, improves horsepower and performance by maintaining temperatures inside the turbo. Kit includes grommets and wiring for easy installation. Made in the USA. Thermo Tec Turbo Cover for T3 & T4 15004 Turbo Insulating Kit Heat Barrier