1Set Turbocharger Pipe Boost Hose Nipple Turbo Vacuum Vac Gauge Fitting

Turbocharger Pipe Boost Hose Nipple Turbo Vacuum Vac Gauge Fitting TDI Feature: -High quanlity and durable to use. -Easy installation,Simply drill a 8mm hole in your silicone boost pipe and push the nipple through the hole (from the inside), pop on the sealing o-ring, washer and tighten down with the nut. -Accepts pipes with an internal diameter of 4 mm.