Advan RG-D2 Alloy Wheel - 16x5.5 ET42 4x100 Machining and Racing Hyper Black Engine Mounts Each Alpha Valve Spring is

Each Alpha Valve Spring is manufactured exclusively from super-clean

Not suitable for daily driven vehicles

The proto-types that were observed to be effective in the wind tunnel were taken and installed to a car for real-world testing on track

Built with laser-cut stainless steel brackets and a CNC machined MAF boss

What parts will I need to install this kit

Advan RG-D2 Alloy Wheel - 16x5.5 ET42 4x100 Machining and Racing Hyper Black Engine Mounts Each Alpha Valve Spring isYokohama ADVAN Racing RG D2 Alloy Wheel Six years passed since the current RG D model was launched in 2010. In 2016, this model will receive its first model change, coming out as the RG D2. Design andamp; construction: Three types of concave spokes are standard designs for 18x7. 5J 8. 0J 8. 5J, while 18x8. 5J 9. 0J 9. 5J are the GTR design, and 9. 5J 10. 0J 10. 5J 11. 0J are the Super GTR design, each with as great a concave design as is possible with