Tial Q Blow Off Valve 11 PSI Spring Blue - Universal
SKU: TIA Q.11B
$259.99$308.00
This blow-off valve delivers in performance for vehicles from mid to high horsepower levels to relieve boost.
Here are the details:
Flows 60% more than the original design
One of the best performing valves on the market
Retains the same flange as the original version
Black finish
Includes V-band clamp, weld-on flange, and vacuum banjo fittings
11 psi spring
The spring pressure in the valve does not correlate with the am. . . Show More >
This blow-off valve delivers in performance for vehicles from mid to high horsepower levels to relieve boost.
Here are the details:
Flows 60% more than the original design
One of the best performing valves on the market
Retains the same flange as the original version
Black finish
Includes V-band clamp, weld-on flange, and vacuum banjo fittings
11 psi spring
The spring pressure in the valve does not correlate with the amount of boost pressure you want to run. The size spring you need is determined by your engine vacuum at idle. Please refer to the charge below to select the right pressure for you.
ENGINE VACUUM READING SPRING COLOR SPRING RATE -22 and -23 in/Hg Brown -12 PSI (-24 in/Hg) -20 and -21 in/Hg Yellow -11 PSI (-22 in/Hg) -16 and -19 in/Hg Un-painted -10 PSI (-20 in/Hg) -12 and -15 in/Hg White -8 PSI (-16 in/Hg) -8 and -11 in/Hg Black -6 PSI (-12 in/Hg) < Show Less