I'm on my second set. The first set developed some play in the joints. Total mileage on hemi swap is ~7500 miles with ~50 track sessions at an average 20 min each, etc. Maybe they lasted for half that number.


-'02 Dodge Viper Ex-World Challenge racecar
-'73 Duster, 6.1 based 392 hilborn hemi, tko600, full floater rear 9", Hellwig custom bars, viper brakes, built for road course