PORSCHE DUAL VALVE SPRINGS
Part # S10122

3.6L - FLAT 6 Cyl - DOHC 24 Valve
Dual Spring/Turbo/Special Alloy
Outside Diam: 20.8mm/28mm
Inside Diam: 15.88mm/20.8mm
Seat Pressure: 98lbs @ 33.05
Open Pressure: 220lbs @ 24.5mm
Rate In: 309lbs
Coil Bind: 20.0mm
Max Net Lift: 11.2mm
This spring requires Ferrea Titanium Retainer E11094 & Ferrea Spring Seat Locator SL1099. (Discard OEM Spring Seat Locators) NOTE: Ferrea Seat Locators must be installed before valve seal installation & Max Net Lift is limited to 11.20mm
(Sold Individually)