Greddy Blow Off Valves

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Greddy Blow Off Valves with diagram

Turbo lag is the enemy of any turbocharged vehicle. Our Blow Off Valves are easily adjustable to prevent both premature boost leakage and compressor surge. Each is made of durable cast and billet aluminum frame, and the valve to diapharm ratio provide preformance that cheep piston types can not offer. The spring stiffness adjustment screw and the two different sizes give the GReddy user the option to match vehicles with mild upgrades to heavily tuned engines. Also available in easy to install kit form for most Japanese turbocharged vehicles.
Universal

Part # Description Year Type

11501650

Type S Universal  

11501660

Type R Universal with Std. spring

11501661

Typr R Universal with Stiff spring

Toyota

Part # Description Year Type

11511000

MR-2 Turbo 1990-96 S

11511011

Supra Turbo 1987-92 S

11511050

Supra T/T 1993-97 S

Mazda

Part # Description Year Type

11541010

RX-7 Turbo 1987-92 S

11541011

RX-7 T/T 1993-96 S

Mitsubishi

Part # Description Year Type

11531010

Eclipse GST/GSX 1995-97 S

Related Parts

Part # Description   Type

11900450

Steel weld-on Flange   S/R

11900451

Aluminum weld-on Flange   S/R

11900490

Outlet Adapter 40mm   R

11900491

Outlet Adapter 45mm   R

11900470

Outlet Adaptor 19-21mm   R

11900471

Outlet Adapter 28-35mm   R

11900481

Outlet Adapter 16mm   S

11900482

Outlet Adapter 19mm   S

11900483

Outlet Adapter 29mm   S

11900501

STD Spring Replacement   R

11900510

Stiff Spring Replacement   R

99900061

Replacement Diaphragm   S

99900062

Replacement Diaphragm   R

Relief Valve / Adapter

GReddy relief valve
Use the GReddy Relief Valve as a secondary boost safty device. By adjusting the set screw you can control the release point (from .08 kg/mm2 to 2.0 kg/mm2), protecting your intake manifold and engine from boost spikes and overboosting. Made from billet aluminum it has been anodized blue.

Part # Description

11501710

Relief Valve

11900520

Relief Valve Adapter

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