S10041
2.0L - DOHC ZETEC 16 Valve (ZX3Type/Material/Application: Dual Spring- Special Alloy- Turbo Outside Diameter: 18.23 mm/24.70 mm Inside Diameter: 13.40 mm/18.23 mm Seat Press.: 75 lbs. @32.75 mm Open Press: 195 lbs @22.75 mm Rate Inch: 305 lbs Max Net Lift: 13.5 mm This Spring requires Ferrea Titanium Retainer #E11018 and Ferrea Spring Seat Locator #SL1015
(Discard OEM Spring Seat Locator) NOTE: This Spring (#S10041) can be used only with Ferrea Manganese Bronze Valve
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$40.50
S10102
4.6L/5.4L - SOHC V8 - 24 Valve Type/Material/Application: Dual Spring-Special Alloy/Street/Strip Outside Diameter: 0.819/1.102 Inside Diameter: 0.625/0.819 Seat Press.: 95 lbs @ 1.575 Open Press: 267 lbs @ 1.075 Rate 334 lbs Coil Bind: 1.023" Max Net Lift:.500" This Spring requires Ferrea Titanium Retainer #E11069 and BOTH, Ferrea Spring Seat Locator #SL1055 and Factory supplied Spring Seat Locator
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$40.50
S10146
5.0L - DOHC 32 Valves Type/Material/Appl: Dual Spring-Special Alloy/Street/Strip Outside Diameter: 0.819/1.102 Inside Diameter: 0.650/0.819 Seat Press.: 80 lbs. @1.580" Open Press: 220 lbs @1.030" Rate Inch: 254 lbs Coil Bind: .995" Max Net Lift:.550" This spring requires Ferrea Titanium Retainer # E11136 & BOTH, Ferrea Spring Seat Locator/Seal #SL1128 & Ferrea Seat Locator SL1148. (Discard OEM Spring Seat Locator/Seal)
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$40.50
S10168
VOODOO 5.2L - DOHC 32 Valve (GT350) Type/Material/Application: Dual Spring- PAC Enhanced High Lift- Street/Strip Premium RPM Performance processing Outside Diameter: 0.806/1.102 Inside Diameter: 0.580/0.806 Seat Press.: 85 lbs. @1.800" Open Press: 305 lbs @1.100" Rate Inch: 315 lbs Coil Bind: 1.060 Max Net Lift: .700" This Spring requires Ferrea Titanium Retainer #E11144 and BOTH, Ferrea Spring Seat Locator #SL1156 (Hat Seal)and #SL1160.
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$60.38
S10181
COYOTE 5.0L - DOHC 32 Valves Type/Material/Appl: Dual Spring-PAC Enhanced High Lift - Street and Strip Use Premium RPM Performance processing Outside Diameter: 0.806/1.102 Inside Diameter: 0.580/0.806 Seat Press.: 85 lbs. @ 1.800? Open Press:305 lbs @ 1.100? Rate Inch: 315 lbs Coil Bind: 1.060? Max Net Lift: 0.700? This Spring requires Ferrea Titanium Retainer #E11149 and BOTH, Ferrea SpringSeat Locator #SL1178 (Hat Seal) and #SL1170. (Discard OEM Factory supplied seat locator).
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$58.05
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