This plug and play blow-off valve adapter snaps onto your throttle body/brake booster vacuum line allowing two extra 1/8" NPT vacuum ports, perfect for replacing engine vacuum lines to your diverter valves, a larger diameter boost reference to your aftermarket BOV, additional boost gauges, and more! CNC machined for a precise fit and includes dual internal o-rings & retaining clip for a factory-like plug and play seal.

The basic kit includes the adapter, two 1/8" NPT caps, and one 1/8" vacuum nipple. The BOV kit includes the basic kit plus two push lock fittings and 1/4" line designed for easy installation to a Tial BOV. Made in the USA