700-R4/200-4R Throttle Boost Valve
Replaces stock valve in all applications. The largest diameter OEM TV boost valve is only 0.471 inches. After installation you will see pressure increase over all stock valves. Great for applications ranging from stock to 450 horsepower.
This valve may be coupled with the 0.400" diameter low/rev boost valve below for improved line pressure in the manual first and second ranges. This valve fits all 200-4R & 700-R4/4L60 (not 4L60E) transmissions. Easy to install with transmission in the vehicle.