Muchmore Racing`s FLETA ZX V2 Case & Timing cap Aluminum screw has 5 various colors.
Depending on the color of your car, you can choose to use it.
Full aluminum material, over 65% weight loss compared to stock screws.
But most important thing is not color, lose weight.
By applying this product, you can increase the performance of the motor.
Using Aluminum screw sets, decreasing the impact of magnetism, you can have a higher KV value. (same timing)