**Coil Over Conversion with Stock K**

Fst73_360 said

If I put a cage in for a 10second car, do I have to have it certified? Because I was going to have a friend weld it...

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with nhra ..a cage needs to be certified if the car is quicker then 9.99 or faster then 135 mph.....
along with a competition licenses, pants, jacket..neck brack...and a bunch of other items required once you go faster then 9.99 or 135mph