Restrictor : 1.5mm. - 1 x Adapter with 1.5mm restrictor. Turbo Oil Feed Adapter kit M12x1.5mm /1.5mm Hole to 4AN For Volvo TD04 H Billet. For VOLVO / For SAAB TD04L, TD04H, TD04HL Turbo Oil Feed. We take no responsibility in teaching you how to install.
