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The TiAL Sport QR blow-off valve with a 6 psi spring and 1.5-inch inlet in purple is tuned for higher opening pressure, venting excess boost near 6 psi. Intended for charged-intake systems using 1.5-inch plumbing, the 6 psi spring raises actuation for firmer throttle conditions and the purple finish gives a distinct look while providing a direct replacement for compatible setups.
TiAL Sport QR BOV 6 PSI Spring - Purple (1.5in)
