S2007
4.6L/5.4L - SOHC V8 - 24 Valve Type/Material/Application: Single Beehive Ovate.PAC Alloy/Performance OEM replacement Outside Diameter: 0.915/1.025 Inside Diameter: 0.567/0.662 Seat Pressure: 105 lbs @1.670 Open Pressure: 270 lbs @1.120 Rate Inch: 300 lbs Coil Bind: 1.060 Max Net Lift: .550 This Spring requires Ferrea Steel Retainer #E10032 OR Ferrea Titanium Retainer #E12015 and Ferrea Spring Seat Locator # SL1088 OR Factory Seat Locator
$21.80
S2008
4.6L - 32 Valve Type/Material/Application: Single Beehive Ovate.PAC Alloy/Performance OEM replacment Outside Diameter: 0.940/1.105 Inside Diameter: 0.580/0.742 Seat Pressure: 90 lbs @1.470 Open Pressure: 252 lbs @.970 Rate Inch: 324 lbsMax Net Lift: .500 This Spring requires Ferrea Steel Retainer # E10030 OR Ferrea Titanium Retainer # E12010 and Ferrea Spring Seat Locator #SL1086 OR Factory Seat Locator
$21.80
S2010
4.6L - 16 Valve Type/Material/Application: Single Beehive Ovate.PAC Alloy/Performance OEM replacment Outside Diameter: 0.950/1.061 Inside Diameter: 0.636/0.738 Seat Pressure: 80 lbs @1.640 Open Pressure: 185 lbs @1.090 Rate Inch: 191 lbs Coil Bind: 1.020 Max Net Lift: .550 This Spring requires Ferrea Steel Retainer #E10033 OR Ferrea Titanium Retainer #E12005 and Ferrea Spring Seat Locator #SL1076 OR Factory Seat Locator
$21.80
S2011
4.6L - 16 Valve Type/Material/Application: Single Beehive Ovate.PAC Alloy/High Lift application Outside Diameter: 0.985/1.061 Inside Diameter: 0.636/0.698 Seat Pressure: 100 lbs @1.640 Open Pressure: 265 lbs @1.080 Rate Inch: 275 lbs Coil Bind: 1.040 Max Net Lift: .600 This Spring requires Ferrea Titanium Retainer #E12005 and Ferrea Spring Seat Locator # SL1076 OR Factory Seat Locator
$21.80
S2016
5.4L - 32 Valve Type/Material/Application: Single Beehive Ovate.PAC Alloy/High Lift application/(INTAKE) - 16 pieces) Outside Diameter: 0.985/1.061 Inside Diameter: 0.636/0.698 Seat Pressure: 100 lbs @1.700 Open Pressure: 220 lbs @1.28 Rate Inch: 285 lbs Coil Bind: 1.000 Max Net Lift: .600 This Spring requires Ferrea Titanium Retainer #E12022 and Ferrea Spring Seat Locator #SL1088 OR Factory Seat Locator
$21.80
S2017
5.4L - 32 Valve Type/Material/Application: Single Beehive Ovate.PAC Alloy/High Lift application/(EXHAUST - 16 pieces) Outside Diameter: 0.950/1.061 Inside Diameter: 0.636/0.738 Seat Pressure: 100 lbs @1.530 Open Pressure: 190 lbs @1.08 Rate Inch: 200 lbs Coil Bind: .970 Max Net Lift: .500 This Spring requires Ferrea Titanium Retainer #E12022 and Ferrea Spring Seat Locator #SL1088 OR Factory Seat Locator
$21.80
S2023
5.0L - DOHC 32 Valves Single Beehive Ovate/PAC Alloy Performance Outside Diameter: .950/1.061 Inside Diameter: .636/.738 Seat Pressure: 90 lbs. @1.600" Open Pressure: 190 lbs @1.100" Rate Inch: 200 lbs Coil Bind: 1.000 Max Net Lift: .550 This spring requires Ferrea Titanium Retainer # E12031 AND Ferrea Spring Seat Locator/Seal # SL1128 (Discard OEM Spring Seat Locator/Seal) NOTE: Max Net Lift is limited by the Factory hat style seat/seal locator height.
$21.80
S2027
5.0L - DOHC 32 Valves Single Beehive Ovate/PAC Alloy High Lift - Street and Strip Use Outside Diameter: 0.985/1.061 Inside Diameter: .636/0.698 Seat Pressure: 80 lbs. @ 1.820? Open Pressure: 260 lbs @ 1.200? Rate Inch: 277 lbs Coil Bind: 1.110? Max Net Lift: .620? This Spring requires either Ferrea Titanium Retainer # E12043 or Ferrea Tool Steel Retainer # E20060 and BOTH, Ferrea Spring Seat Locator # SL1178 (Hat Seal) and # SL1169. (Discard OEM Factory supplied seat locator).
$21.80
S2024
5.2L - DOHC 32 VALVE (GT350) Single Beehive Ovate. PAC Alloy High Lift - Street and Strip Use Outside Diameter: .985/1.061 Inside Diameter: .636/.698 Seat Pressure: 80 lbs @ 1.820? Open Pressure: 260 lbs @ 1.200? Rate Inch: 277 lbs Coil Bind: 1.110? Max Net Lift: .620? This Spring requires Ferrea Tool Steel Retainer #E20057 and BOTH, Ferrea Spring Seat Locator #SL1156 (Hat Seal) and #SL1159.
(Discard OEM Factory supplied seat locator).
$20.55
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