Κιτ διπλά ελατήρια + retainers τιτανίου της Supertech για VW & Audi 1.8 20v TurboPart Number SPRK-AUDI18T Engine Type All VW & Audi 1.8 Turbo 20v engines inc variants Inlet Valve springs Exhaust valve springs Outer Spring Diameter 20.6mm OD 14.4mm ID 29.1mm OD 21.9mm ID Inner Spring Diameter Single 20.5mm OD 15.5mm ID Spring Pressures (lbs@mm) Seat - 56 @ 36.6 Open - 125 @ 10.5 Seat - 80 @ 33.2 ...