4AGE 20V Black & Silver Top Valve Springs KVS51-B 0402-3001 The Turbosmart Gated Boost Control

The Turbosmart Gated Boost Control Valve range is one of the best dollar for horsepower upgrades that you can make to your turbocharged petrol or diesel engine vehicle

Head modifications are required to avoid valve to valve contact

Engine models:

We have produced a timing belt idler & tensioner fastener kit using only the best ARP custom hardware

ETS-Pro Troubleshooting Click Here

4AGE 20V Black & Silver Top Valve Springs KVS51-B 0402-3001 The Turbosmart Gated Boost ControlInstalls at 36. 6mm to give 58lb seat pressure. TOYOTA 4A GE 20 Valve, High Performance valve spring set. 58lb seat pressure at 36. 60mm installed height. Coil bind is at 23. 00mm