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NexTek Drag Race Valve Springs
  • 1.640'' O.D.
  • 0.860'' I.D.
  • 647 lbs./in. Spring Rate
  • 250 @ 2.000'' Installed
  • 800 @ 1.150'' Open
  • 0.880'' Max Valve Lift
  • 1.070'' Coil Bind
  • Double Spring (No Damper)
  • 16/pkg.
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    $286.99
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    $481.99
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    NexTek Drag Race Valve Springs
  • 1.677'' O.D.
  • 0.635'' I.D.
  • 733 lbs./in. Spring Rate
  • 350 @ 2.100'' Installed
  • 1010 @ 1.200'' Open
  • 0.900'' Max Valve Lift
  • 1.142'' Coil Bind
  • Triple Spring (No Damper)
  • 16/pkg.
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    $481.99
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    $471.99
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    NexTek Drag Race Springs & Titanium Retainer Kit
  • 1.640'' O.D. Springs, p/n 660-221424-16
  • 10-Degree Titanium Retainer, p/n 660-23640-16
  • 16/pkg.
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    $471.99
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    $73.99
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    WRIST PIN-22mmX2.500
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    $73.99
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    $482.99
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    Polished NexTek Oval Track/Endurance Valve Springs
  • 1.560'' O.D.
  • 0.812'' I.D.
  • 533 lbs./in. Spring Rate
  • 260 @ 2.000'' Installed
  • 660 @ 1.250'' Open
  • 0.750'' Max Valve Lift
  • 1.200'' Coil Bind
  • Double Spring (No Damper)
  • 16/pkg.
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    $482.99
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    $39.99
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    WRIST PIN-21mmX2.250X.210
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    $39.99
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    $514.99
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    Polished NexTek Oval Track/Endurance Valve Springs
  • 1.570'' O.D.
  • 0.760'' I.D.
  • 534 lbs./in. Spring Rate
  • 255 @ 2.000'' Installed
  • 630 @ 1.300'' Open
  • 0.700'' Max Valve Lift
  • 1.190'' Coil Bind
  • Double Spring with Damper
  • 16/pkg.
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    $332.99
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    NexTek H.P. Valve Springs
  • 5.7/6.1L HEMI
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 353 lbs./in. Spring Rate
  • 145 @ 1.811'' Installed
  • 370 @ 1.161'' Open
  • 0.650'' Max Valve Lift
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 16/pkg.
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    $332.99
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    $310.99
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    NexTek Drag Race Valve Springs
  • 1.640'' O.D.
  • 0.860'' I.D.
  • 604 lbs./in. Spring Rate
  • 280 @ 2.100'' Installed
  • 795 @ 1.250'' Open
  • 0.900'' Max Valve Lift
  • 1.150'' Coil Bind
  • Double Spring (No Damper)
  • 16/pkg.
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    $310.99
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    $80.99
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    Professional Series Valve Springs
  • 1.260'' O.D.
  • 0.876'' I.D.
  • 370 lbs./in. Spring Rate
  • 130 @ 1.750'' Installed
  • 335 @ 1.200'' Open
  • 1.095'' Coil Bind
  • Single Spring with Damper
  • 16/pkg.
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    $80.99
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    $549.99
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    Polished NexTek Oval Track/Endurance Valve Springs
  • 1.570'' O.D.
  • 0.750'' I.D.
  • 575 lbs./in. Spring Rate
  • 280 @ 2.030'' Installed
  • 700 @ 1.300'' Open
  • 0.730'' Max Valve Lift
  • 1.215'' Coil Bind
  • Double Spring with Damper
  • 16/pkg.
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    $549.99
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    $469.99
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    NexTek Oval Track/Endurance Valve Springs
  • 1.580'' O.D.
  • 0.832'' I.D.
  • 535 lbs./in. Spring Rate
  • 235 @ 1.950'' Installed
  • 610 @ 1.250'' Open
  • 0.730'' Max Valve Lift
  • 1.170'' Coil Bind
  • Double Spring (No Damper)
  • 16/pkg.
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    $469.99
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    $38.99
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    Wrist Pin
  • Ford 4.6L, 5.4L
  • Diameter: 22mm/.866"
  • Wall Type: Straight
  • Material: 9310
  • Length: 2.500"
  • Wall Thickness: .180"
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    $38.99
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    $574.99
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    NexTek H.P. Valve Springs
  • 4.6/5.4L DOHC 4V
  • 1.126'' O.D.
  • 0.640'' I.D.
  • 330 lbs./in. Spring Rate
  • 95 @ 1.420'' Installed
  • 270 @ 0.895'' Open
  • 0.525'' Max Valve Lift
  • 0.860'' Coil Bind
  • Single Conical Ovate Wire
  • 32/pkg.
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    $574.99
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    $272.99
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    NexTek H.P. Valve Springs
  • GM LS-series
  • 1.295'' O.D.
  • 0.676'' I.D.
  • 379 lbs./in. Spring Rate
  • 155 @ 1.810'' Installed
  • 405 @ 1.150'' Open
  • 0.660'' Max Valve Lift
  • 1.100'' Coil Bind
  • Double Spring (No Damper)
  • 16/pkg.
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    $272.99
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    $353.99
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    NexTek Drag Race Valve Springs
  • 1.650'' O.D.
  • 0.855'' I.D.
  • 635 lbs./in. Spring Rate
  • 290 @ 2.000'' Installed
  • 825 @ 1.150'' Open
  • 0.850'' Max Valve Lift
  • 1.105'' Coil Bind
  • Double Spring (No Damper)
  • 16/pkg.
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    $353.99
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    $334.99
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    NexTek H.P. Valve Springs
  • GM LS-series
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 353 lbs./in. Spring Rate
  • 150 @ 1.800'' Installed
  • 375 @ 1.150'' Open
  • 0.650'' Max Valve Lift
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 16/pkg.
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    $334.99
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    $201.99
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    Professional Series Valve Springs
  • 1.550'' O.D.
  • 0.740'' I.D.
  • 471 lbs./in. Spring Rate
  • 170 @ 1.900'' Installed
  • 500 @ 1.200'' Open
  • 1.100'' Coil Bind
  • Double Spring with Damper
  • 16/pkg.
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    $201.99
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    $76.99
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    Wrist Pins
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    $76.99
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    $10.49
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    WRIST PIN 2.250 X .120 X 22mm
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    $10.49
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    $396.99
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    NexTek H.P. Valve Springs
  • GM LS-series
  • 1.340'' O.D.
  • 0.726'' I.D.
  • 394 lbs./in. Spring Rate
  • 170 @ 1.810'' Installed
  • 450 @ 1.110'' Open
  • 0.700'' Max Valve Lift
  • 1.050'' Coil Bind
  • Double Spring (No Damper)
  • 16/pkg.
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    $396.99
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    $424.99
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    NexTek H.P. Valve Spring Kit
  • GM LS-series
  • 1.295'' O.D.
  • 0.676'' I.D.
  • 379 lbs./in. Spring Rate
  • 155 @ 1.810'' / 405 @ 1.150''
  • 0.560'' Max Valve Lift
  • Double Spring (No Damper)
  • Standard 7° Titanium Retainer
  • Viton Valve Seals
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    $424.99
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    $234.99
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    Professional Series Valve Springs
  • 1.550'' O.D.
  • 0.740'' I.D.
  • 458 lbs./in. Spring Rate
  • 150 @ 1.880'' Installed
  • 425 @ 1.280'' Open
  • 1.180'' Coil Bind
  • Double Spring with Damper
  • 16/pkg.
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    $234.99
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    $576.99
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    NexTek Drag Race Valve Springs
  • 1.677'' O.D.
  • 0.635'' I.D.
  • 746 lbs./in. Spring Rate
  • 350 @ 2.000'' Installed
  • 895 @ 1.270'' Open
  • 0.800'' Max Valve Lift
  • 1.160'' Coil Bind
  • Triple Spring (No Damper)
  • 16/pkg.
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    $576.99
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    $44.99
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    WRIST PIN-23mmX2.500X.180
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    $44.99
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    $31.99
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    NexTek Drag Race Valve Spring
  • 1.640'' O.D.
  • 0.860'' I.D.
  • 647 lbs./in. Spring Rate
  • 250 @ 2.000'' Installed
  • 800 @ 1.150'' Open
  • 0.880'' Max Valve Lift
  • 1.070'' Coil Bind
  • Double Spring (No Damper)
  • 1/pkg.
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    $31.99
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    $312.99
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    NexTek H.P. Valve Springs
  • 4.6/5.4L SOHC 2V
  • 1.125'' O.D.
  • 0.642'' I.D.
  • 264 lbs./in. Spring Rate
  • 95 @ 1.680'' Installed
  • 240 @ 1.130'' Open
  • 0.580'' Max Valve Lift
  • 1.080'' Coil Bind
  • Single Conical Ovate Wire
  • 16/pkg.
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    $312.99
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    $30.99
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    NexTek H.P. Valve Spring
  • 6.4L HEMI
  • 1.311'' O.D.
  • 0.650'' I.D.
  • 353 lbs./in. Spring Rate
  • 145 @ 1.811'' Installed
  • 380 @ 1.150'' Open
  • 0.650'' Max Valve Lift
  • 1.100'' Coil Bind
  • Single Conical Ovate Wire
  • 1/pkg.
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    $30.99
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    $662.99
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    NexTek Lightweight Dual Drag Race Valve Springs
  • 1.500'' O.D.
  • 0.710'' I.D.
  • 780 lbs./in. Spring Rate
  • 275 @ 2.050'' Installed
  • 940 @ 1.200'' Open
  • 0.850'' Max Valve Lift
  • 1.130'' Coil Bind
  • Double Spring (No Damper)
  • 16/pkg.
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    $662.99
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    $402.99
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    NexTek H.P. Valve Springs
  • GM LS-series
  • 1.324'' O.D.
  • 0.676'' I.D.
  • 435 lbs./in. Spring Rate
  • 165 @ 1.800'' Installed
  • 515 @ 1.000'' Open
  • 0.800'' Max Valve Lift
  • 0.900'' Coil Bind
  • Double Spring (No Damper)
  • 16/pkg.
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    $402.99
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