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Tial BOV Spring
KORacing Products » Toyota Supra MK4 » Induction / Intercooler / BOV
Tial BOV Spring
Replacement spring for Tial BOV. Select spring pressure by matching the appropriate spring to the amount of vacuum your engine pulls at idle.

*Spring pressure versus engine vacuum at idle:

7psi for 10-13inHg

9psi for 14-17inHg

11psi for 18-21inHg

12psi for 22-24inHg

$32.00 each
Select Spring Pressure::
 

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