Tial Q Blow Off Valve BOV Springs. Replacment springs for TiAL 50mm blow off valves. These springs are available as 7 psi, 9 psi, 11 psi, or 12 psi versions.


Which spring do you need?
For engine vacuum readings from:


12 PSI Spring - 21 in/hg to 23 in/hg - Brown
11 PSI Spring - 20 in/hg to 21 in/hg - Yellow (formerly dark pink)
10 PSI Spring - 18 in/hg to 20 in/hg - Plain
8 PSI Spring - 12 in/hg to 15 in/hg - White
6 PSI Spring - 8 in/hg to 11 in/hg - Black
2 PSI Spring - Supercharger Only - Green (formerly hot pink)


Remember, the psi rating on these springs have nothing to do with boost pressure, only vacuum of the engine under idle.

 
Part # Description Color Size Price Qty.  
Supercharger Spring 0 to -7 in/HG Green $27.00/ea
BV SPRING 8 -12 and -15 in/Hg White $27.00/ea
BV SPRING 10 -16 and -19 in/Hg Plain $27.00/ea
BV SPRING 11 -20 and 21 in/Hg Yellow $27.00/ea
BV SPRING 6 -8 and -11 in/Hg Black $27.00/ea
 
Check us On Facebook Follow us On Twitter Watch us On You Tube