New Corvette Servo for the 700R4 (4L60), 4L60E, 4l65E, 4L70E, 4L75E. This is a very high quality item made in the USA. This servo is a must for any performance, towing, RV/off-road application, but would be a nice upgrade for any 700R4 or 4L60E. Right away you'll notice faster and firmer 1-2 and 2-3 shifts. This servo will give your transmission 50% more apply pressure. Just what you need to keep from burning your transmission up under heavy load situations. This kit also includes the apply pin which is slightly longer than stock and will help eliminate the 1/8" to 1/4" movement this is too much it should be closer to 1/16" This Corvette Servo Kit Comes With: * Inner Housing, Servo * Piston, Servo 2nd Apply * 2nd Apply Piston (Inner) 1.642" (Teflon) Scarf cut seal ring * O-Ring, Servo Cover (Inner Red) *O-ring, Servo Cover (Outer Blue) *AC Delco 5.121" Apply Pin