1.8T - DOHC 20 Valve Type/Material/Application: Single Spring - Turbo - Special Alloy ( Intake - 12 pieces) Outside Diameter: 21.5 mm Inside Diameter: 15.1 mm Seat Pressure: 65 lbs @ 34.5 mm Open Pressure: 145 lbs @ 24.5 mm Rate Inch: 216 lbs Coil Bind: 22.5 mm Max Net Lift: 11 mm This Spring requires Ferrea Titanium Retainer # E11031 and Ferrea Spring Seat Locator # SL1025. (Discard OEM Spring Seat Locator)
2.8L - DOHC 24 Valve (BDF) Type/Material/Application: Single Spring - Special Alloy Outside Diameter: 23.5 mm Inside Diameter: 15.7 mm Seat Press.: 85 lb. @39 mm Open Press.: 190 @29 mm Rate Inch: 265 lbs Coil Bind: 26 mm Max Net Lift: 12 mm This Spring requires Ferrea Titanium Retainer # E11063.
VW 2009-2013 2.0T- TSI - DOHC 16 Valve Type/Material/Application: Single Spring - Turbo - PAC Enhanced Alloy - INTAKE ASSEMBLY Outside Diameter: 22.38 mm Inside Diameter: 15.52 mm Seat Pressure: 80 lbs @ 37 mm Open Pressure: 180 lbs @ 27 mm Rate Inch: 254 lbs Coil Bind: 24.6 mm Max Net Lift: 11 mm This Spring requires Ferrea Titanium Retainer (INTAKE) # E11139 and (EXHAUST) # E11140 and Ferrea Spring Seat Locator # SL1142. (Discard OEM Spring Seat Locator)
2.5L - DOHC 20 Valve (BTW) Single Spring - PAC Enhanced Alloy - Endurance Application Outside Diam: 22.38mm Inside Diam: 15.52mm Seat Pressure: 80lbs @ 37mm Open Pressure: 180lbs @ 27mm Rate Inch: 254lbs Coil Bind: 24.6mm Max Net Lift: 11mm This Spring requires Ferrea Titanium Retainer E11134 & Ferrea Spring Seat Locator SL1145 (Discard OEM Factory supplied Spring Seat Locator) NOTE: Max Net Lift is limited due to the OEM factory valve seal install height.
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