GReddy

GReddy Blow Off Valve - Type R

The Trust Greddy Type R blow off valve is designed for high output race engines in excess of 500hp.

If the throttle plate is closed while engine is making boost, the compressed air will return to the compressor housing which causes compressor surge and also damages the turbine shaft. In the same condition, the GReddy Blow Off Valve will release the compressed air from the charge pipe to protect the turbocharger from the pressure spike and also gives quicker boost recovery. By modifying the vacuum line routing, it can also be used as a Relief Valve.

Features

A blow off valve relieves pressure that builds up in the intake system when the throttle is closed quickly (between shifts, for example). This valve is an extremely important part of any turbo system, and allows quick boost response and greatly increases the life of a turbocharger. Original equipment valves function well, however they tend to be unreliable at higher boost levels. The completely adjustable GReddy S-type valve offers excellent performance at a reasonable price.

Many cars will require some sort of adapter in order to install an after market by-pass valve. BOLTS ONTO 1st generation DSMs with slight modification. 2nd generation DSMs require either the S-type adapter flange or an intercooler pipe upgrade that incorporates an S-Type BOV flange. GReddy also offers the R-Type BOV, which should only be used for high-output race engines in excess of 500hp.

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Vehicle Part   Price Order
11501660
Turbocharged
Universal - Standard Type
USD $ 184.46
USD $ 204.96
29,205 JPY
11900451
Fitting Adapter
Optional
USD $ 26.12
4,135 JPY
11501661
Turbocharged
Universal - Strong Spring Type
USD $ 184.46
USD $ 204.96
29,205 JPY
11900451
Fitting Adapter
Optional
USD $ 26.12
4,135 JPY
Part Price Order
11900451
Fitting Adapter
USD $ 26.12
USD $ 26.40
4,135 JPY

About GReddy

GReddy

GReddy is the brand of Trust Co., Ltd., a Japanese tuning company founded in 1977. Trust raced in the Japanese Touring Car Championship, IMSA and at Le Mans, and the GReddy name became one of the best known in tuning through its turbo kits, intercoolers, boost controllers, gauges, exhausts and oil systems.

Trust's turbocharged builds and parts were a large part of the Japanese tuning scene of the 1980s and 1990s, and GReddy parts are still made for most Japanese performance cars, from the Skyline GT-R and Supra to the GR86 and Civic Type R.

All GReddy parts

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