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BLOW OFF VALVE PAGE
Blitz Blowoff Valve DD Universal #16151 | The Blow off valve is essential to all turbocharged vehicles. The purpose of the BLITZ®
Blowoff Valve DD is to relieve compressor surge without reducing compressor speed. It controls boost pressure that is built
up by the turbo and vents it into the atmosphere when the car is not under load (in between shifts). This prevents pressure
from backing up into the compressor housing, causing the turbo impeller blade to rapidly stop or even worse, to spin backwards
(compressor surge or backspin). Doing so can be potentially destructive to the turbine wheel and shaft. Repeated stress over
time can cause eminent damage to the turbo charger and eventually lead to turbo failure. A blowoff valve is actuated by pressure
changes only, ensuring quick valve responses and complete closures at idle. The BLITZ® blowoff valve not only improves
performance and response, but also increases the life of the turbocharger.
-DD (Dual Drive) for maximum response (small
port for low boost + larger port for high boost)
-Includes mini SUS filter
-Urethane gasket to ensure complete seal
-Tension adjustable
-Holds to 1.2 BAR (18psi)
-Available hard spring for high boost applications |  | | | | | |
| PART # | BLZ-70039 | | | Our price: | |
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Blitz BOV Kit : Mitsubishi Lancer EVO VIII & IX #16515 | The Blow off valve is essential to all turbocharged vehicles. The purpose of the BLITZ®
Blowoff Valve DD is to relieve compressor surge without reducing compressor speed. It controls boost pressure that is built
up by the turbo and vents it into the atmosphere when the car is not under load (in between shifts). This prevents pressure
from backing up into the compressor housing, causing the turbo impeller blade to rapidly stop or even worse, to spin backwards
(compressor surge or backspin). Doing so can be potentially destructive to the turbine wheel and shaft. Repeated stress over
time can cause eminent damage to the turbo charger and eventually lead to turbo failure. A blowoff valve is actuated by pressure
changes only, ensuring quick valve responses and complete closures at idle. The BLITZ® blowoff valve not only improves
performance and response, but also increases the life of the turbocharger.
-DD (Dual Drive) for maximum response (small
port for low boost + larger port for high boost)
-Includes mini SUS filter
-Urethane gasket to ensure complete seal
-Tension adjustable
-Holds to 1.2 BAR (18psi)
-Available hard spring for high boost applications
Part
Number: 70071
Model: Mitsubishi Lancer EVO VII & VIII
Desc: Lanver EVO 7 & 8 B.O.V. KIT | Details | | | | | | PART # | BLZ-70071 | | | | | Our price: | |
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Blitz BOV Kit : Mitsubishi Eclipse 95-99 #16516 | The Blow off valve is essential to all turbocharged vehicles. The purpose of the BLITZ®
Blowoff Valve DD is to relieve compressor surge without reducing compressor speed. It controls boost pressure that is built
up by the turbo and vents it into the atmosphere when the car is not under load (in between shifts). This prevents pressure
from backing up into the compressor housing, causing the turbo impeller blade to rapidly stop or even worse, to spin backwards
(compressor surge or backspin). Doing so can be potentially destructive to the turbine wheel and shaft. Repeated stress over
time can cause eminent damage to the turbo charger and eventually lead to turbo failure. A blowoff valve is actuated by pressure
changes only, ensuring quick valve responses and complete closures at idle. The BLITZ® blowoff valve not only improves
performance and response, but also increases the life of the turbocharger.
-DD (Dual Drive) for maximum response (small
port for low boost + larger port for high boost)
-Includes mini SUS filter
-Urethane gasket to ensure complete seal
-Tension adjustable
-Holds to 1.2 BAR (18psi)
-Available hard spring for high boost applications
Part
Number: 70071A
Model: Mitsubishi Eclipse Turbo 1995-1999
Desc: Eclipse Turbo B.O.V. KIT | | | | | | PART # | BLZ-70071A | | | Our price: | |
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Blitz BOV Kit : Subaru WRX 02-07 #16517 | The Blow off valve is essential to all turbocharged vehicles. The purpose of the BLITZ®
Blowoff Valve DD is to relieve compressor surge without reducing compressor speed. It controls boost pressure that is built
up by the turbo and vents it into the atmosphere when the car is not under load (in between shifts). This prevents pressure
from backing up into the compressor housing, causing the turbo impeller blade to rapidly stop or even worse, to spin backwards
(compressor surge or backspin). Doing so can be potentially destructive to the turbine wheel and shaft. Repeated stress over
time can cause eminent damage to the turbo charger and eventually lead to turbo failure. A blowoff valve is actuated by pressure
changes only, ensuring quick valve responses and complete closures at idle. The BLITZ® blowoff valve not only improves
performance and response, but also increases the life of the turbocharger.
-DD (Dual Drive) for maximum response (small
port for low boost + larger port for high boost)
-Includes mini SUS filter
-Urethane gasket to ensure complete seal
-Tension adjustable
-Holds to 1.2 BAR (18psi)
-Available hard spring for high boost applications
Part
Number: 70086
Model: Subaru WRX 2002+
Desc: WRX B.O.V. KIT | | | | | |
| PART # | BLZ-70086 | | | Our price: | |
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TiAL 50mm Q Blowoff Valve *New Release* #21495
| New for 2008 is the first revision of the nine year old original TiAL BOV. The Q bolts
right up to any standard TiAL flange so you can upgrade without having to re-weld. Through countless hours of R&D we were
able to make the same size valve flow a staggering 60% more than the original design - that means 60% more air is blown off
per cycle! This is the highest flowing BOV on the market. The Q will be offered in all of the current colors.
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For use on turbo-charged and super-charged applications (Paxton, Vortec, etc.). The body and all internal components are CNC-machined
from 6061 aluminum alloy. It features a large 1.98 in (50.5mm) valve; we believe this is the largest valve available with
the highest flow capacity.
- The V-Band design aluminum mounting clamp gives a very clean and unique appearance.
The clamp is anodized and uses Stainless Steel hardware for a long lasting, corrosion-free appearance.
- The valve
seal utilizes a Viton O-ring that is clamped in place to prevent the possibility of sticking to the seat and pulling out.
The valve stem and guide are Teflon-lubricated, hard anodize-coated for wear resistance.
- The Blow Off Valve
also comes with our own machined aluminum banjo-type air fitting and bolt, with over sized 10mm hose barb for quick actuator
response. The actuator has a high temp silicone Nomex-reinforced diaphragm for long life.
- An aluminum, mild
steel, or stainless steel weld base mounting flange is available at an additional cost.
Select the following spring
pressures based on engine vacuum reading:
0 to -7 in/HG (or supercharger) use 3 PSI Spring (Pink)
-8 to -11
in/HG use 6 PSI Spring (Black)
-12 to -15 in/HG use 8 PSI Spring (White)
-16 to -19 in/HG use 10 PSI Spring (Silver)
-20 to -21 in/HG use 11 PSI Spring (Purple)
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| PART # | TL-Q | | | Our price: | |
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TiAL 50mm AlphaQ Blowoff Valve *New Release* #22182
| Alpha Q is the first ever recirculating blow-off-valve offered by TiAL. This unique 50mm
BOV flows 6% more than the current vent-to-atmosphere BOV we offer.
- For use on turbo-charged and super-charged
applications (Paxton, Vortec, etc.). The body and all internal components are CNC-machined from 6061 aluminum alloy. It features
a large 1.98 in (50.5mm) valve; we believe this is the largest valve available with the highest flow capacity.
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The V-Band design aluminum mounting clamp gives a very clean and unique appearance. The clamp is anodized and uses Stainless
Steel hardware for a long lasting, corrosion-free appearance.
- The valve seal utilizes a Viton O-ring that is
clamped in place to prevent the possibility of sticking to the seat and pulling out. The valve stem and guide are Teflon-lubricated,
hard anodize-coated for wear resistance.
- An aluminum, mild steel, or stainless steel weld base mounting flange
is available at an additional cost.
Included with Every Alpha Q BOV:
AlphaQ BOV Assembly
TiAL V-Band
Clamp
V-Band Weld Flange
High Pressure O-Ring
TiAL Air Fitting
Select the following spring pressures
based on engine vacuum reading:
-10 to -13 in/HG use 7 PSI Spring (Black)
-14 to -17 in/HG use 9 PSI Spring (White)
-18 to -21 in/HG use 11 PSI Spring (Un-painted)
-22 to -23 in/HG use 12 PSI Spring (Pink)
| | | | | | PART # | TL-AlphaQ | | | Our price: | |
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Mazda/Subaru Dual PortPart Number: TS-0205-1009
Part Number:
TS-0205-1010 
DESCRIPTION: Features both atmospheric and bypass ports. Easily converts
to a fully atmo or fully bypass valve. Sequential ports provide a quiet operation on mild boost and full performance at full
boost. Simple installation and set up.
APPLICATION: Suits Mazdaspeed (MPS) 3, 6 and Mazda CX7
Subaru Legacy/Liberty GT, WRX MY08-current, Forester
MY08-current. SUPPLIED WITH: Mounting flange, blanking
plug.
Mitsubishi Dual PortPart Number: TS-0205-1020
DESCRIPTION: Three BOVs in one. The
Dual Port can be configured to vent to the atmosphere, back into the air intake or both! Plumb Back system for quiet, road-compliant
operation, Supersonic for the race track, or Dual Port for the best of both worlds. APPLICATION:
Fits Mitsubishi EVO VII – X, Ralliart Colt SUPPLIED
WITH: Mounting flange and a blanking plug.
Nissan Dual PortPart Number: TS-0205-1026 
DESCRIPTION: Features both atmospheric and bypass ports.
Easily converts to a fully atmo or fully bypass valve. Sequential ports provide a quiet operation on mild boost and full performance
at full boost. Simple installation and set up.
APPLICATION: Suits Nissan
Skyline GT-S and GT-R,
R32, R33, R34 and R35 (excluding R32 GTS-t) SUPPLIED
WITH: Mounting flange, blanking plug.
Subaru WRX Vee-PortPart Number (Blue): FG-BOV-WRXVP
Part Number (Sleeper): FG-BOV-WRXVP-S 
DESCRIPTION: Atmospheric BOV. Features
a variable exhaust port system, providing superior venting of excess pressure. Easy to install and set up.
APPLICATION: Fits all 2001-2007 Subaru WRX models. SUPPLIED WITH: Mounting flange
Subaru WRX Plumb BackPart Number
(Blue): FG-BOV-WRXPB
Part Number (Sleeper):
FG-BOV-WRXPB-S 
DESCRIPTION: A fully recirculating BOV,
quiet operation, ideal, high-flow replacement for the factory unit for enthusiasts who don’t want to be noticed. Easy
to install and set up.
APPLICATION: Fits all 2001-2007 Subaru WRX
models. SUPPLIED WITH: Mounting flange
Subaru Dual PortPart
Number: TS-0205-1015 
DESCRIPTION: Hybrid-type BOV offering
three BOVs in one. Three BOVs in one. The Dual Port can be configured
to vent to the atmosphere, back into the air intake or both! Plumb Back system for quiet, road-compliant operation, Supersonic
for the race track, or Dual Port for the best of both worlds. APPLICATION:
Fits Subaru WRX MY01-MY07, STi MY01-08. SUPPLIED WITH:
Mounting flange, blanking plug
WRX SupersonicPart Number (Blue): FG-BOV-WRXSS
Part Number (Sleeper): FG-BOV-WRXSS-S 
DESCRIPTION: Preferred venting solution for serious
street tuners and racers. Ideal for enthusiasts who want big flow and even bigger sound.
APPLICATION:
Fits all 2001-2007 Subaru WRX models. SUPPLIED WITH:
Mounting flange.
Audi
V6 Twin Turbo Dual PortPart Number: FG-BOV-KTDPV6 
DESCRIPTION: A Kompact BOV specifically
designed as a bolt-on replacement for the V6 Twin Turbo Audi.
APPLICATION:
All cars using the Audi V6 Twin Turbo engine. SUPPLIED WITH:
All the necessary hardware and a comprehensive pictorial instructions. The kit comes with two Dual Port BOVs.
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