Denny it hase been a couple of years since I bought the aluminun shaft. The car has been on the road for a year now and it has 4000 miles on it. Had the car at 190mph while beating a Aston Martin vantage!! I'm not sure how much rpm your driveshaft turned... ...read more
Sent by Bill S
Still using my Dennys aluminum driveshaft after 5 seasons. Have run 7.87 at 180.24 mph at 2450# on gasoline only. Car built by Chick DeNinno of Sox and Martin fame.