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Use Coupon Code BOOST5 at Checkout!
Due to high volume of orders, please inquire about inventory if it is not directly listed on the product.
Use Coupon Code BOOST5 at Checkout!
Due to high volume of orders, please inquire about inventory if it is not directly listed on the product.
$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:
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:
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)
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