@raider89, it may not be this. But it is a good place to start.

That is the spark plug that is used in the 1340 and 1500 engines.

raider89, using the clutch like that is normal use and shouldn’t cause any issues. I would recommend giving your Radical dealer a call. With that sa...

raider89, As Rod is 100% correct (as usual). Radical recommends overhauling the 1500 engine at 40 hours TOTAL Time. Many find this unintuitive becau...

Hi @floridabmx, do you still have a 15" outer barrel for sale? Is you do, please send me some pictures at CharleyH@RadicalSportscarRegistry.com

Hi Rod (@rjbender), It is my understanding that the billet uprights and the Halo are both options... But I am not 100% sure.

If I remember correctly I think your red car was SR800042... That would make it a 2007, so you don't have to revise your memories 😉

Hi Joe, I am not an expert on this, but I understand that the SR8 had two different uprights. Here is a picture of a TJ0016 which the radical parts c...

I don’t know for sure if these will be able to be retrofit on older cars but I suspect that it won’t work. The reason I say that is because it is har...

@meatman< there are a lot of opinions on this subject and I don’t know that I know the correct answer, but reading the tread on the subject is a go...

@rojid , that video is very helpful. I didn’t realize that your car is not an XX but has the XX PDM system in it. What chassis number is your car? ...

@higgins613, unfortunately it isn’t a standard font. I believe that Radical had it custom made and only did these letters.

FYI, I updated the video to more accurately show how the forward and reverse gears work.