I run the HTL6872BS in my 383/496, in my 3400 pound 70 Dart have gone 10.22 @127, 1.40 60 ft, [Email]6.45@106.89[/Email] mph 1/8th. Have all of their valve train parts, roller rockers, shafts and hold down kit, push rods,Pro-gear timing chain and stud girdle kit. Have had no problems and excellent customer service. ...Matt

Last edited by Wicked49670dart; 12/27/09 07:09 PM.
70 Dart 3400 496 New Best 6.15@110.37 660ft, 9.76@135 with a 1.34 60ft