Engine Tuning |
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The HKS Style Super Sequential Blow-Off Valve (SSQV) is a dual stage
pull type relief valve. Unlike other blow off valves that are push
type, the SSQV will not leak under high boost conditions nor under
vacuum at idle.
Being of a pull type valve structure, the SSQV can
not physically leak under any level of boost because boost pressure
also keeps the valve closed against its seat. The SSQV is actuated
by pressure alterations only, not by the rate of pressure or vacuum
in the line, which ensures a quick valve response and complete
closure during idle.
On typical blow-off valve designs, a large valve is
utilized in order to accommodate high boost / high horsepower
applications. However, these large valves tend to react slowly and
require high activation pressure to open, therefore are not able to
activate and prevent compressor surge at light-load conditions. On
the other hand, smaller, fast reacting valves do not discharge the
airflow capacity required for high horsepower applications and tend
to creep open and leak as the boost pressure overpowers the spring
on these push type valves. For maximum performance, the HKS Style
SSQV incorporates both a small primary valve for ultra quick
activation, along with a larger secondary valve for additional
discharge capacity.
The SSQV is
engineered to initially open the small primary valve at light
throttle and load conditions then sequentially opens the secondary valve for additional relief
capacity under high boost and load conditions. The SSQV is constructed of polished billet aluminium, which ensures long-term
durability and visual appeal.
Click on the video of Turborevs HKS style dump valve fitted on Fiat
Coupe
£49.99 (including 17.5 % tax) |
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FREE UK P&P |
£49.99 (including 17.5 % tax) |
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FREE UK P&P |
£49.99 (including 17.5 % tax) |
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FREE UK P&P |
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