Blow-Off Valves

GReddy BLOW OFF VALVE FV-II  has adapted Floating Valve structure which does not open up when the Surge Tank has negative pressure. For no strong initial load, both quick response under low boost and prevention of the relief under high pressure are together. This is a new generation blow off valve.  Made in Japan.

* SOUND CLIP

Gunmetal/Blue, adjustable detent rotary knob, floating valve, revised funnel outlet 

New 360 degree adjustable top hat - to point the. vacuum fitting. in any direction.

Floating Valve design with opposing springs, alows for improved control, response and idle.

new top hat design allow for rotating of the vacuum nipple without disassmebly of the unit.

80-480hp range

BOV gasket, nuts & bolts

Compatiable with standard 2-bolt GReddy BOV flanges and Type-RZ outlet adapters.

Replacement Parts for Type-FV II (FV, RZ / RS / S) - (here)
 

^{To install this product, the GReddy blow off valve mounting flange is required.
In addition, please prepare other necessary parts such as piping and hoses.
Product Name Description Code
Weld-on Mounting Flange Aluminum 11900451
or an 3rd party application specific adapter}

[DISCONTINUED] - superseded by Type-FV2 p/n 11501666

GReddy BLOW OFF VALVE FV has adapted Floating Valve structure which does not open up when the Surge Tank has negative pressure. For no strong initial load, both quick response under low boost and prevention of the relief under high pressure are together. This is a new generation blow off valve.

SOUND CLIP

Gunmetal/Blue, adjustable floating valve, revised funnel outlet (Blue)

Floating Valve design with opposing springs, alows for improved control, response and idle.

new top hat design allow for rotating of the vacuum nipple without disassembly of the unit.

80-480hp range

BOV gasket, nuts & bolts

Compatible with standard 2-bolt GReddy BOV flanges and Type-RZ outlet adapters.

Replacement Parts for Type-FV (RZ / RS / S) - (here)

􏰀o To install this product, the G􏰅eddy blow off valve mounting flange is required.
In addition, please prepare other necessary parts such as piping and hoses.
Product Name Description Code
Weld-on Mounting Flange Aluminum 11900451
or an 3rd party application specific adapter

Download the Instruction Manual

LIMITED EDITION BLACK CERACOTE TYPE FV BOV - SOLD OUT!

Coated in the USA, this thin-film surface coating protects with a tough durable black finish. It offers a distinct high-end look and feel to our GReddy Type FV BOV. The performance ceramic coating offers unmatched corrosion and chemical resistance, as well as improved temperature protection. 

GReddy BLOW OFF VALVE FV has adapted Floating Valve structure which does not open up when the Surge Tank has negative pressure. For no strong initial load, both quick response under low boost and prevention of the relief under high pressure are together. This is a new generation blow off valve.

SOUND CLIP

Limited Edition - Black Ceracote / Blue annodized finish

Black/Blue, adjustable floating valve, revised funnel outlet (Blue)

Floating Valve design with opposing springs, alows for improved control, response and idle.

new top hat design allow for rotating of the vacuum nipple without disassmebly of the unit.

80-480hp range

BOV gasket, nuts & bolts

Compatiable with standard 2-bolt GReddy BOV flanges and Type-RZ outlet adapters.

Replacement Parts for Type-FV (RZ / RS / S) - (here)

􏰀o To install this product, the G􏰅eddy blow off valve mounting flange is required.
In addition, please prepare other necessary parts such as piping and hoses.
Product Name Description Code
Weld-on Mounting Flange Aluminum 11900451
or an 3rd party application specific adapter

Download the Instruction Manual

Machined/Cast, 47mm valve, adjustable, 50mm outlet

280-600hp range

BOV gasket, nuts & bolts

􏰀o To install this product, the G􏰅eddy blow off valve mounting flange is required.
In addition, please prepare other necessary parts such as piping and hoses.
Product Name Description Code
Weld-on Mounting Flange Aluminum 11900451
or an 3rd party application specific adapter

Machined/Cast, 47mm valve, adjustable, 50mm outlet

Stiff Spring Relief pressure : 117.6～137.2kpa (1.2～1.4kg/㎠)

over 375hp range

BOV gasket, nuts & bolts

􏰀o To install this product, the G􏰅eddy blow off valve mounting flange is required.
In addition, please prepare other necessary parts such as piping and hoses.
Product Name Description Code
Weld-on Mounting Flange Aluminum 11900451
or an 3rd party application specific adapter

Universal GReddy Blow off Valve Flange, Gasket, Nuts & Bolts

Aluminum (weld-on)

Piping OD 52m & ID 42mm

compatiable with all GReddy Blow-off Valves: Type-R, Type-RZ, Type-RS, & Type-S

Replacement gasket for all GReddy Blow-Off Valves
Type RZ, Type RS, Type S, Type R and Type R Stiff Spring

Gasket seals between GReddy BOV and Blow off Valve Flange

11501665-SS - Replacement Adjustment Set-screw Set

Stainless Steel 3mm Allen Set-screw, Lock nut and washer

*. Also fits, Type S, Type RS, Type RZ and Type FV

Also fits, Type S, Type RS, Type RZ and Type FV

11501660-SS - Replacement Adjustment Set-screw Set

Steel 8mm Allen Set-screw, Flanged Lock nut and O-Ring

Optional 19mm outlet adapter

for Type FV and RZ BOVs

Optional 29mm outlet adapter

for Type FV & RZ BOVs

Optional 32mm outlet adapter
for Type FV & RZ bovs

Also fits Type RS

Previously 11900513 (blue) for Type RS

Optional 34mm outlet adapter

for Type FV & RZ BOVs

Optional 8port funnel outlet adapter

for Type FV & RZ BOVs

w/ BOV FV (Floating Valve)

(JZA80) 2JZ-GTE

GREDDY BOV FV KIT BFV-112 JZA80(ｶｲﾎｳ)

*For Off-road use ONLY. Check legality of aftermarket products with your local state, county, city authorities before purchasing.
**This product is illegal to be driven on public roads in the USA.

(R35) VR38DETT

2x BOV Type FV (Floating Valve) w/ adapters  

for stock piping

recirculates back into air intake

*For Off-road use ONLY. Check legality of aftermarket products with your local state, county, city authorities before purchasing.
**This product is illegal to be driven on public roads in the USA.

GREDDY BOV FV KIT BFV-213 S14(ｶｲﾎｳ)

(S14 & S15) SR20DET

BOV FV (Floating Valve)  w/ adapters

for stock piping

recirculates back into air intake

Make:  Nissan
Model: Skyline GT-R
Year: 1989-98

Chassis: BNR32 / BCNR33
Engine: RB26DETT
Type: Type FV Blow Off Valve and Adatper kit for BNR32 & BCNR33

* Compatible for both open air vent and recirculation style installation.

Product features

bolt-on blow-off valve kit for stock type piping & flanges

*For Off-road use ONLY. Check legality of aftermarket products with your local state, county, city authorities before purchasing.

Make:  Nissan
Model: Skyline GT-R
Year: 1989-98

Chassis: BNR32 / BCNR33
Engine: RB26DETT
Type: Type R Blow Off Valve and Adatper kit for BNR32 & BCNR33

Product features

bolt-on blow-off valve kit for stock type piping & flanges

*For Off-road use ONLY. Check legality of aftermarket products with your local state, county, city authorities before purchasing.

Make: Nissan
Model: Skyline GT-S
Year: 1989-93

Chassis: HCR32
Engine: RB20DET
Type: Type FV Blow Off Valve and Adatper kit for HCR32

Product features

bolt-on blow-off valve kit for stock type piping & flanges

*For Off-road use ONLY. Check legality of aftermarket products with your local state, county, city authorities before purchasing.

(CZ4A) 4B11

BOV FV (Floating Valve)

Blow off Valve Adater Kit for factory piping

Recirculates back into air intake

or plug for open to atmosphere.

*For Off-road use ONLY. Check legality of aftermarket products with your local state, county, city authorities before purchasing.
**This product is illegal to be driven on public roads in the USA.

GREDDY BOV FV KIT BFV-311 CT9A(ﾘﾀｰﾝ)

(CT9A) 4G63

with  BOV FV (Floating Valve)
recirculating outlet included to connect to the  air intake
(can also be routed open with the included outlet)

*For Off-road use ONLY. Check legality of aftermarket products with your local state, county, city authorities before purchasing.
**This product is illegal to be driven on public roads in the USA.

GREDDY BOV FV KIT BFV-503 FD3S(ｶｲﾎｳ)

(FD3S) 13B-REW

BOV FV (Floating Valve) with adapter

*For Off-road use ONLY. Check legality of aftermarket products with your local state, county, city authorities before purchasing.
**This product is illegal to be driven on public roads in the USA.

GREDDY BOV FV KIT BFV-135 - (this kit will not include blue FV horn outlet)

for use with GReddy T518Z or T618Z Tuner Turbo Kit for recirculation or open to atmosphrere
( for use with GPP GTX-R Tuner Turbo for open to atmosphere only)

(replaces sucition pipe and compression pipe  to throttle body)

(ZN6) FA20

with BOV FV (Floating Valve)
with 19mm adapter & 19mm recirc. tube
reciruclates back into air intake
or open with included parts (FV horn)
 

*For competition (race) use ONLY. Check legality of aftermarket products with your local state, county, city authorities before purchasing.
**This product is illegal to be driven on public roads in the USA.

GREDDY BOV FV KIT BFV-610 GDB(ｶｲﾎｳ&ﾘﾀｰﾝ)

(GDB) EJ20 / EJ25

with BOV FV (Floating Valve)
with adapter & recirc. tube
reciruclates back into air intake
or open with included parts
 

*For Off-road use ONLY. Check legality of aftermarket products with your local state, county, city authorities before purchasing.
**This product is illegal to be driven on public roads in the USA.

GREDDY BOV FV KIT BFV-610 GDB(ｶｲﾎｳ&ﾘﾀｰﾝ)

(GRB) EJ20 / EJ25 Hatchback -(GV) & (VA) EJ STI Sedan

with BOV FV (Floating Valve)
with adapter & recirc. tube
reciruclates back into air intake
or open with included parts

*For Off-road use ONLY. Check legality of aftermarket products with your local state, county, city authorities before purchasing.
**This product is illegal to be driven on public roads in the USA.